1. Ferromagnetism;Bozorth,1951
2. Magnetic Circuits and Transformers;E.E. Staff Of the Mass. Inst. of Tech.,1943
3. Diffusion of Electric Current into Rods, Tubes, and Flat Surfaces;Miller,1947
4. Fields and Waves in Modern Radio;Ramo,1953
5. Skin Effect in Bimetallic Conductors;Tears;Elec. Engineering,1943