Piotr Kapitza

[1988] Letters from Kapitza to His Mother, 1921-27 ; J. W. Boag ; D. Shoenberg ; Notes and Records 42 (1988) p. 205 [lien]
[1991] Piotr Kapitza and Stalin's Government: A Study in Moral Choice ; Aleksei Kozhevnikov ; Historical Studies in the Physical and Biological Sciences 22 (1991) p. 131 [lien]