1. L. V. L’vova, “Object of Attention,” Provizor, No. 20 (2004).
2. http://www.tpki.ru/Project/Medic/md-2.html .
3. V. P. Yakubov, S. A. Slavgorodskii, and D. V. Losev, http://www.ict.nsc.ru/ws/Lyap2001/2364 .
4. V. P. Yakubov and M. L. Masharuev, “Method of Double Focusing for Microwave Tomography,” Microwave and Opt. Tech. Lett. 13(4), 187 (1996).
5. V. P. Yakubov and M. L. Masharuev, “A Double Focusing Method for Coherent Tomography of Inhomogeneous Media,” Izv. Vuzov, Ser. Fizika, No. 4, 87 (1997).