1. Khablov, D.V. and Sovlukov, A.S., State of the Art in Microwave Devices for Determination of Alive People through Obstacles, Digest of the TransBlack Sea Region Symp. on Applied Electromagnetism, Metsovo, Greece, 1996, p. 135.
2. Finkel’shtein, M.I., Mendel’son, V.L., and Kutev, V.A., Radiolokatsiya sloistykh zemnykh pokrovov (Radiolocation of Layer-like Earth Covers), Moscow: Sovetskoe Radio, 1977.
3. Voprosy podpoverkhnostnoi radiolokatsii (The Issues of Subsurface Radiolocation), Grinev, A.Yu., Ed., Moscow: Radiotekhnika, 2005.
4. Khablov, D.V. and Sovlukov, A.S., Contactless Microwave Detection and Diagnostics of Dynamic Objects in Industry and Medicine, Proc. XIV IMEKO World Congress, Tampere, Finland, 1997, vol. 7, pp. 83–87.
5. Chen, K.-M., Misra, D., Wang, H., Chuang, H.-R., and Postow, E., An X-band Microwave Life-Detection System, IEEE Trans. Biomed. Eng., 1986, vol. 33, no. 7, pp. 697–701.