Microwave tomography: two-dimensional system for biological imaging. - Serguei Y. Semenov; Robert H. Svenson; Alexander E. Boulyshev; Alexander E. Souvorov; Vladimir Y. Borisov; Yuri E. Sizov; Andrey N. Starostin; Kathy R. Dezern; George P. Tatsis; Vladimir Y. Baranov (IEEE Trans. Biomed. Eng., 1996)