1. B. J. Davydov: On the contact resistance of semiconductors. J. Phys. Moscow 1, 87-95 (1939);The rectifying action of semiconductors. J. Techn. Phys. USSR, 5, 87 (1938); Zh. Eksp. Teor. Fiz. 9, 451 (1939)
2. W. Shockley: The theory of p-n junctions in semiconductors and p-n junction transistors. Bell Syst.Tech. J. 28, 435 (1949); Electrons and Holes in Semiconductors ( Van Nostrand, New York 1950 )
3. G. K. Teal, M. Sparks, E. Buehler: Growth of germanium single crystals containing p-n junctions. Phys. Rev. 81, 637 (1951)
4. F. N. Hall, W. C. Dunlap, Jr.: p-n junctions prepared by impurity diffusion. Phys. Rev. 80, 467 (1950)
5. G. L. Pearson, B. Sawyer: Silicon p-n junction alloy diodes. Proc. IRE 40, 1348 (1952)