1. Sergey Ivashov, "Research, Development and Applications of Subsurface Radars in the USSR and Russia from the 60s to the Present Days", Preprint, 06-Mar-2024. DOI: 10.20944/preprints202403.0295.v1.
2. Razevig V, Zhuravlev A, Ivashov S (2023) Application of microwave holographic subsurface technology for non-destructive testing of reinforced polyurethane foam. Innova Aerosp Sci Technol 1(1): 001-004. DOI: 10.17352/iast.000001.
3. Sergey Ivashov, Alexander Bugaev, Vladimir Razevig, Dmitry Anfimov, The Simplest Assessment of the Possibility of Using Microgravimeters to Search for Unknown Voids inside the Khufu Pyramid, Global Journal of Archaeology & Anthropology, Volume 13, Issue 5 - June 2023, pp. 1-8, GJAA.MS.ID.555857 (2023), ISSN: 2575-8608. DOI: 10.19080/GJAA.2023.13.555857.
4. M. Vakhitov, D. Klygach, V. Razevig, N. Olivenko and O. Kudryavtsev, "Non-Destructive Radio Wave Scanning Method for the Inspection of Composite Materials," 2023 IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT), Yekaterinburg, Russian Federation, 2023, pp. 120-122. DOI: 10.1109/USBEREIT58508.2023.10158861.
5. V.V. Razevig, A.S. Bugaev, S.I. Ivashov, Comparison of Back-Scattering and Forward-Scattering Methods in Short Range Microwave Imaging Systems, Technical Physics, 2022, Vol. 67, No. 11. DOI: 10.21883/TP.2022.11.55184.173-22.
6. Jian Huang, Xi Yang, Feng Zhou1, Xiaofeng Li, Bin Zhou, Song Lu, Sergey Ivashov, Iraklis Giannakis, Fannian Kong, Evert Slob, A deep learning framework based on improved self-supervised learning for ground-penetrating radar tunnel lining inspection, Computer-Aided Civil and Infrastructure Engineering, 19 May 2023, 1–20. DOI: 10.1111/mice.13042.
7. Sergey I. Ivashov, Vladimir V. Razevig, Dmitriy L. Sergeev, Alexander S. Bugaev, Feng Zhou, Elena I. Prokhanova, Anastasia V. Shcherbakova, Sergey N. Dobrynin and Maxim Vasilenkov, An Example of Microwave Holography Investigation of an Old Orthodox Russian Icon Dated to 19th Century, Heritage, 2022, 5, 2804-2817. DOI: 10.3390/heritage5030145.
8. S. Ivashov, L. Capineri, T. Bechtel and V. Razevig, "Evaluation of the possibility of using the radio frequency range for the survey of the Great Pyramid," 2021 11th International Workshop on Advanced Ground Penetrating Radar (IWAGPR), 2021, pp. 1-4. DOI: 10.1109/IWAGPR50767.2021.9843181.
9. Sergey Ivashov, Timothy Bechtel, Vladimir Razevig, Lorenzo Capineri, and Masaharu Inagaki, A proposed radar method for non-destructive investigation of Egyptian pyramids, Insight: Non-Destructive Testing and Condition Monitoring, January 2021, Vol 63, No 1, pp. 12-19. DOI: 10.1784/insi.2021.63.1.12.
10. Nikolay L. Gueorguiev, Aleksander N. Semenov and Sergey I. Ivashov, Approaches to Determining the Attenuation of Electromagnetic Waves From the Centimeter Range in Dielectric Composite Materials, Engineering Sciences, IMSEHAC-BAS, ISSN: 1312-5702, e-ISSN: 2603-3542. LVIII (2021), No 3, 72-82. DOI: 10.7546/EngSci.LVIII.21.03.07.
11. Sergey I. Ivashov, Lorenzo Capineri, Timothy D. Bechtel, Vladimir V. Razevig, Masaharu Inagaki, Nikolay L. Gueorguiev and Ahmet Kizilay, Design and Applications of Multi-Frequency Holographic Subsurface Radar: Review and Case Histories, Remote Sensing, 2021, 13(17), 3487, pp. 1-38. DOI: 10.3390/rs13173487.
12. V. Razevig, S. Ivashov, M. Chizh, A. Zhuravlev and L. Capineri, "Influence of Electrical Properties of Media on Reconstruction of Microwave Holograms Recorded by Subsurface Radar," 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS), Tel-Aviv, Israel, 2019, pp. 1-5. DOI: 10.1109/COMCAS44984.2019.8958377.
13. S. I. Ivashov, V. V. Razevig, A. V. Zhuravlev, T. Bechtel and M. A. Chizh, "Comparison of Different NDT Methods in Diagnostics of Rocket Cryogenic Tanks Thermal Protection Coating," 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS), Tel-Aviv, Israel, 2019, pp. 1-5. DOI: 10.1109/COMCAS44984.2019.89581577.
14. M. Chizh, A. Zhuravlev, V. Razevig and S. Ivashov, "Detection of Water Inclusions in Honeycomb Composite Products by a Holographic Radar," 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS), Tel-Aviv, Israel, 2019, pp. 1-5. DOI: 10.1109/COMCAS44984.2019.8958114.
15. Lorenzo Capineri, Margarita Chizh, Andrey Zhuravlev, Vladimir Razevig, Sergey Ivashov, Pierluigi Falorni, Defects investigation in thermal insulation coatings with microwave imaging based on a 22 GHz holographic radar, NDT & E International, 109 (2020) 102191, pp. 1-8. DOI: 10.1016/j.ndteint.2019.102191.
16. V.V. Chapurskii, V.I. Kalinin, A.S. Bugaev, and V.V. Razevig, Method for Recirculation of Signals in the Problem of Observation of a Point Object above a Metal Surface // Technical Physics, 2019, Vol. 64, No. 8, pp. 1189–1193. DOI: 10.1134/S1063784219080048
17. A. Zhuravlev, V. Razevig, S. Ivashov, A. Skrebkov, V. Alekseev, On the Use of Microwave Holography to Detect Surface Defects of Rails and Measure the Rail Profile, Sensors 2019, 19, 1376, pp. 1–11. DOI: 10.3390/s19061376
18. M. Chizh, A. Zhuravlev, V. Razevig and S. Ivashov, "Broadband Microwave Imaging for Foam Insulation Diagnostics," 2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama), Toyama, 2018, pp. 1887-1894. DOI: 10.23919/PIERS.2018.8598093
19. V. Razevig, S. Ivashov, N. Simonov, A. Zhuravlev and M. Chizh, "Microwave Imaging in a Dielectric Half-Space Medium Bounded by a Metal Surface," 2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama), Toyama, Japan, 2018, pp. 1925-1931. DOI: 10.23919/PIERS.2018.8597872
20. Sergey Ivashov, Andrey Zhuravlev, Vladimir Razevig, Margarita Chizh, Timothy Bechtel, Lorenzo Capineri, Binu Thomas, "Frequency Influence in Microwave Subsurface Holography for Composite Materials Testing," Proceedings of the 17th International Conference on Ground Penetrating Radar, GPR 2018, Rapperswil, Switzerland, June 18–21, 2018, pp. 98-103. DOI: 10.1109/ICGPR.2018.8441592
21. S. I. Ivashov, A. S. Bugaev, A. V. Zhuravlev, V. V. Razevig, M. A. Chizh, and A. I. Ivashov, Holographic Subsurface Radar Technique for Nondestructive Testing of Dielectric Structures, Technical Physics, 2018, Vol. 63, No. 2, pp. 260-267. ISSN: 1063-7842 (Print), 1090-6525 (Online), DOI: 10.1134/S1063784218020184
22. V. V. Razevig, A. V. Zhuravlev, A. S. Bugaev and M. A. Chizh, "Measurement and compensation of frequency-dependent antenna phase center position for microwave holography applications," 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), Singapore, 2017, pp. 178-185. DOI: 10.1109/PIERS-FALL.2017.8293133
23. V. V. Razevig, A. V. Zhuravlev, A. S. Bugaev, M. A. Chizh and S. I. Ivashov, "Imaging under irregular surface using microwave holography," 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), Singapore, 2017, pp. 172-177. DOI: 10.1109/PIERS-FALL.2017.8293132
24. Vladimir Razevig, Andrey Zhuravlev, Margarita Chizh, Sergey Ivashov, Alexander Bugaev, Hand-held Radar with Video Positioning System for Microwave Imaging, The 38th PIERS in St Petersburg, Russia, 22 - 25 May, 2017, Pages: 3052-3055, DOI: 10.1109/PIERS.2017.8262279
25. Andrey Zhuravlev, Vladimir Razevig, Margarita Chizh, Maxim Filippov, and Sergey Ivashov, Inspection of Foam Insulation by Holographic Subsurface Radar, Proceedings of the IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2017), Tel-Aviv, Israel, 13-15 November 2017, pp. 1-6, DOI: 10.1109/COMCAS.2017.8244739
26. Andrey Zhuravlev, Vladimir Razevig, Margarita Chizh, and Sergey Ivashov, Non-Destructive Testing of Foam Insulation by Holographic Subsurface Radar, 9th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2017, Edinburgh, UK, 28-30 June 2017, DOI: 10.1109/IWAGPR.2017.7996087
27. Lorenzo Capineri , Tim Becthel, Pierluigi Falorni, Masaharu Inagaki, Sergey Ivashov, Colin Windsor, Prototype UWB Radar Object Scanner and Holographic Signal Processing, in book Advanced Ultrawideband Radar: Signals, Targets, and Applications, edited by James D. Taylor, December 7, 2016, CRC Press, pp. 363-386, Reference – 476, Pages – 413 Color, ISBN: 9781466586574.
    (PDF, 1.3 Mb)
28. L. Capineri, P. Falorni, T. Becthel, S. Ivashov, V. Razevig and A. Zhuravlev, Water detection in thermal insulating materials by high resolution imaging with holographic radar, Proceedings of the 11th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances, ISEMA 2016, Florence, Italy, May 23 - 27, 2016, pp. 507-513.
    (PDF, 300 Kb)
29. L. Capineri, P. Falorni , T. Becthel, S. Ivashov , V. Razevig and A. Zhuravlev, Water detection in thermal insulating materials by high resolution imaging with holographic radar, Measurement Science and Technology, Special Issue, Vol. 28, No. 1, 2017, pp. 1-6. doi:10.1088/1361-6501/28/1/014008
    (PDF, 1.7 Mb)
30. Margarita A. Chizh, Andrey V. Zhuravlev, Vladimir V. Razevig, and Sergey I. Ivashov, Experimental Validation of Sparse Sensing Technique in Subsurface Microwave Holography, PIERS in Shanghai, 8 - 11 August, 2016, pp. 1734-1738. DOI: 10.1109/PIERS.2016.7734775
    (PDF, 1.5 Mb)
31. S. Ivashov, A. Zhuravlev, M. Chizh, and V. Razevig, High Resolution MW Holographic System for NDT of Dielectric Materials and Details, Proceedings of the 16th International Conference of Ground Penetrating Radar 2016, Session # 9.5 Material properties, Hong Kong, Polytechnic University, 13-16 June 2016.
    (PDF, 300 Kb)
32. A. Zhuravlev, V. Razevig, M. Chizh, S. Ivashov, and A. Bugaev, Non-destructive Testing at Microwaves Using a Vector Network Analyzer and a Two-coordinate Mechanical Scanner, Proceedings of the 16th International Conference of Ground Penetrating Radar 2016, Session 4D System and Antenna Design, Hong Kong, Polytechnic University, 13-16 June 2016.
    (PDF, 600 Kb)
33. Andrey Zhuravlev, Vladimir Razevig, Sergey Ivashov, Alexander Bugaev, and Margarita Chizh, Microwave Imaging of Moving Subjects by Combined Use of Video-tracker and Multi-static Radar. IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems. 2 - 4 November 2015, Tel Aviv, Israel.
    (PDF, 1.4 Mb)
34. Andrey Zhuravlev, Vladimir Razevig, Sergey Ivashov, Alexander Bugaev, and Margarita Chizh, Experimental Simulation of Multi-Static Radar with a Pair of Separated Movable Antennas. IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems. 2 - 4 November 2015, Tel Aviv, Israel.
    (PDF, 1.6 Mb)
35. Sergey I. Ivashov, Vladimir V. Razevig, Timothy D. Bechtel, Igor A. Vasiliev, Lorenzo Capineri, and Andrey V. Zhuravlev, Microwave Holography for NDT of Dielectric Structures, Proceedings of the IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2015), Tel-Aviv, Israel, 2-4 November 2015, 978-1-4799-7473-3/15/$31.00 ©2015 IEEE, DOI: 10.1109/COMCAS.2015.7360372
    (PDF, 600 Kb)

36. Andrey V. Zhuravlev, Vladimir V. Razevig, Sergey I. Ivashov, and Alexander S. Bugaev, Experimental Comparison of Multi-Static and Mono-Static Antenna Arrays for Subsurface Radar Imaging, Proceedings of the IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2015), Tel-Aviv, Israel, 2-4 November 2015, pp. 1-4, 978-1-4799-7473-3/15/$31.00 ©2015 IEEE. DOI: 10.1109/COMCAS.2015.7360380
    (PDF, 2.3 Mb)

37. S. Ivashov, V. Razevig, I. Vasiliev, T. Bechtel, L. Capineri, Holographic subsurface radar for diagnostics of cryogenic fuel tank thermal insulation of space vehicles, NDT & E International, Vol. 69, January 2015, Pages 48-54.
    (PDF, 2 Mb)
38. Andrey Zhuravlev, Sergey Ivashov, Vladimir Razevig, Igor Vasiliev, Shallow depth subsurface imaging with microwave holography, Proc. of SPIE Symposium on Defense and Security, Radar Sensor Technology XVIII Conference. Baltimore, Maryland, USA, May 5-7, 2014, Vol. 9072, pp. 90720X-1...9.
    (PDF, 790 Kb)
39. A. V. Zhuravlev, S. I. Ivashov, V. V. Razevig, I. A. Vasiliev and A. S. Bugaev, "Holographic subsurface radar RASCAN-5," 2013 7th International Workshop on Advanced Ground Penetrating Radar, Nantes, 2013, pp. 1-6. DOI: 10.1109/IWAGPR.2013.6601548
40. Capineri, L., Arezzini, I., Calzolai, M., Windsor, C., Inagaki, M., Bechtel, T., Ivashov, S. High resolution imaging with a holographic radar mounted on a robotic scanner, Progress in Electromagnetics Research Symposium, Stockholm, Sweden, Aug. 12-15, 2013, pp. 1583-1585.
    (PDF, 260 Kb)
41. A.V. Zhuravlev, S.I. Ivashov, V.V. Razevig, I.A. Vasiliev, A.S. Turk, and A. Kizilay, Holographic Microwave Imaging Radar for Applications In Civil Engineering, Proceedings of the IET International Radar Conference, 14-16 April 2013, Xian, China.
    (PDF, 700 Kb)
42. S.I. Ivashov, L. Capineri, and T.D. Bechtel, Holographic Subsurface Radar Technology and Applications, in book UWB Radar. Applications and Design, edited by James J. Taylor, CRC Press, Taylor & Francis Group, 2012, pp. 421-444. ISBN 978-1-4200-8986-8.
    (PDF, 1.8 Mb)
43. Vladimir Razevig, Sergey Ivashov, Igor Vasiliev, Andrey Zhuravlev. Comparison of Different Methods for Reconstruction of Microwave Holograms Recorded by the Subsurface Radar, Proceeding of the 14th International Conference on Ground Penetrating Radar. 4-8 June 2012, Shanghai, China, pp. 335-339.
    (PDF, 1790 Kb)
44. Andrey Zhuravlev, Sergey Ivashov, Igor Vasiliev, Vladimir Razevig, Processing of Holographic Subsurface Radar Data, Proceeding of the 14th International Conference on Ground Penetrating Radar. 4-8 June 2012, Shanghai, China, pp. 68-71.
    (PDF, 690 Kb)
45. Sergey I. Ivashov, Vladimir V. Razevig, Igor A. Vasiliev, Andrey V. Zhuravlev, Timothy D. Bechtel, and Lorenzo Capineri, Holographic Subsurface Radar of RASCAN Type: Development and Applications, IEEE Journal of Selected Topics in Earth Observations and Remote Sensing, Volume 4, Issue 4, December 2011. pp. 763-778.
    (PDF, 12 Mb)
46. Masaharu Inagaki, Timothy D. Bechtel, and V. Razevig, Interference from the Second Layer in Holographic Radar, PIERS Proceedings, March 20-23, 2011, Marrakesh, MOROCCO, pp.1560-1564.
    (PDF, 340 Kb)
47. S.I. Ivashov, V.V. Razevig, I.A. Vasiliev, A.V. Zhuravlev, T. Bechtel, L. Capineri, P. Falorni and T. Lu, Holographic Subsurface Radar as a Device for NDT of Construction Materials and Structures, International Symposium on Nondestructive Testing of Materials and Structures, May 15-18, 2011, Istanbul, Turkey.
    (PDF, 1.4 Mb)
48. F. Soldovieri, A. F. Morabito, F. D’Agostino, S. I. Ivashov, V. V. Razevig, and I. A. Vasiliev, «A Simple Processing Approach for Holographic RASCAN Data», Progress In Electromagnetics Research, Vol. 107, pp. 315-330, 2010.
    (Full Article PDF, Abstract)
49. V.V. Razevig, S.I. Ivashov, I.A. Vasiliev, A.V. Zhuravlev, T. Bechtel, L. Capineri, P. Falorni, RASCAN Holographic Radars as Means for Non-Destructive Testing of Buildings and Edificial Structures, Proceedings of the Structural Faults and Repair-2010, 15th — 17th June 2010, Edinburgh, Scotland, UK.
    (PDF, 1.3 Mb)
50. V.V. Razevig, S.I. Ivashov, I.A. Vasiliev, A.V. Zhuravlev, T. Bechtel, L. Capineri, Advantages and Restrictions of Holographic Subsurface Radars. Experimental evaluation, Proceedings of the XIII International Conference on Ground Penetrating Radar, Lecce, Italy, 21-25 June 2010, pp. 657-662. DOI: 10.1109/ICGPR.2010.5550241
    (PDF, 620 Kb)
51. L. Capineri, P. Falorni, M. Inagaki, T. Bechtel, V. Razevig, C. Windsor, Quantitative interpretation of RASCAN holographic radar response from inclined plane reflectors by a theoretical model, Proceedings of the XIII International Conference on Ground Penetrating Radar, Lecce, Italy, 21-25 June 2010, pp. 657-662.
    (PDF, 360 Kb)
52. M. Inagaki, T. Bechtel, V. Razevig, Experimental Approach for Determining the Received Pattern of a Rascan Holographic Radar Antenna, Proceedings of the XIII International Conference on Ground Penetrating Radar, Lecce, Italy, 21-25 June 2010, pp. 657-662.
    (PDF, 690 Kb)
53. C. G. Windsor, A. Bulletti, L. Capineri, P. Falorni, S. Valentini, G. Borgioli, M. Inagaki, T. Bechtel, E. Bechtel, A. Zhuravlev, and S. Ivashov, A Single Display for RASCAN 5-frequency 2-polarisation Holographic Radar Scans, PIERS ONLINE, Vol. 5, No. 5, 2009, pp. 496-500.
    (PDF, 3130 Kb)
54. S. Ivashov, V. Razevig, I. Vasilyev, A. Zhuravlev, T. Bechtel, L. Capineri, The Holographic Principle in Subsurface Radar Technology, International Symposium to Commemorate the 60th Anniversary of the Invention of Holography, Springfield, Massachusetts USA, October 27-29, 2008, pp. 183-197.
    (PDF, 4200 Kb)
55. S. Ivashov, V.  Razevig, A. Sheyko, I. Vasilyev, A. Zhuravlev, and T. Bechtel, Holographic Subsurface Radar Technique and its Applications, Proceedings of the 12th International Conference on Ground-Penetrating Radar, GPR 2008, 16-19 June 2008, University of Birmingham, UK.
    (PDF, 1074 Kb)
56. E. Bechtel, S. Ivashov, T. Bechtel, E. Arsenyeva, A. Zhuravlev, I. Vasiliev, V. Razevig, and A. Sheyko, Experimental Determination of the Resolution of the RASCAN-4/4000 Holographic Radar System, 12th International Conference on Ground Penetrating Radar, June 16-19, 2008, Birmingham, UK.
    (PDF, 742 Kb)
57. T. Lu, C. Snapp, T.-H. Chao, A. Thakoor, T. Bechtel, S. Ivashov, I. Vasiliev. Evaluation of holographic subsurface radar for NDE of space shuttle thermal protection tiles, Sensors and Systems for Space Applications. Proceedings of SPIE, Volume 6555, 2007.
    (PDF, 710 Kb)
58. S.I. Ivashov, I.A. Vasiliev, T.D. Bechtel, C. Snapp, Comparison between Impulse and Holographic Subsurface Radar for NDT of Space Vehicle Structural Materials, Progress in Electromagnetics Research Symposium 2007, Beijing, China, March 26-30, 2007, pp. 1816-1819.
    (PDF, 320 Kb)
59. S. Ivashov, V. Razevig, A. Sheyko, I. Vasilyev, T. Bechtel, Holographic Radar as a Tool for Non-Destructive Evaluation of Structural Materials, Proceedings of the 2005 SEM Annual Conference & Exposition on Experimental and Applied Mechanics, Portland, Oregon, USA, Tuesday, June 7 - Thursday, June 9, 2005.
    (PDF, 370 Kb)
60. V.V. Chapursky, S.I. Ivashov, V.V. Razevig, A.P. Sheyko, I.A. Vasilyev, Microwave Hologram Reconstruction for the RASCAN Type Subsurface Radar, Proceedings of the Ninth International Conference on Ground Penetrating Radar, GPR’2002, April 29 - May 2 2002, Santa Barbara, California USA, pp. 520-526.
    (PDF, 1009 Kb)
61. V.V. Chapursky, S.I. Ivashov, V.V. Razevig, A.P. Sheyko, I.A. Vasilyev, V.V. Pomozov, N.P. Semeikin, D.J. Desmond, Subsurface Radar Examination of an Airstrip, Proceedings of the 2002 IEEE Conference on Ultra Wideband Systems and Technologies, UWBST’2002, May 20-23, 2002, Baltimore, Maryland USA, pp. 181-186.
    (PDF, 900 Kb)
62. Ivashov S.I., Makarenkov V.I., Razevig V.V., Sablin V.N., Sheyko A.P., Vasiliev I.A. Concrete Floor Inspection with Help of Subsurface Radar. Eight International Conference on Ground-Penetrating Radar, GPR'2000, May 23-26, 2000, University of Queensland, Gold Coast, Queensland, Australia, pp. 552-555.
    (PDF, 375 Kb)
63. Ivashov S.I., Makarenkov V.I., Masterkov A.V., Razevig V.V., Sablin V.N., Sheyko A.P., Tchapourski V.V., Vasiliev I.A. Concrete Floor Inspection with Help of Subsurface Radar. Proceedings of 6th Meeting Environmental and Engineering Geophysics. Bochum, Germany, September 3-7, 2000, P-GR04.
64. Vasiliev I.A., Ivashov S.I., Makarenkov V.I., Sablin V.N., Sheyko A.P. RF Band High Resolution Sounding of Building Structures and Works. IEEE Aerospace & Electronic Systems Magazine. May 1999, Vol. 14, No. 5, pp. 25-28.
    (PDF, 670 Kb)
65. Vasiliev I.A., Ivashov S.I., Makarenkov V.I., Sablin V.N., Sheyko A.P. RF Band High Resolution Sounding of Building Structures and Works. Seventh International Conference on Ground-Penetrating Radar, GPR'98, May 27-30, 1998, University of Kansas, Lawrence, Kansas, USA, V. 2, pp 707-710.
    (PDF, 520 Kb)