1. Lafargue, C. and Babin, L. (1964) Electronic magnetic resonance and solid dielectrics, p. 374, Procs. 12th Colloque AMPERE 1963; editors: R. Servant and A. Charru, North Holland Publ. Cy., Amsterdam.
2. de Loor, G.P. (1963) Magnetic and electric resonance and relaxation, p. 288; Procs. 11th Colloque AMPERE 1962; editor: J. Smidt, North Holland Publ. Cy., Amsterdam.
3. Schwan, H.P. (1957) Electrical Properties of Tissues and Cell Suspensions, Advances in Biological and Medical Physics, vol, 5, p. 147; editors: J.H. Lawrence and C.H. Tobias; Academic PressInc. New York.