vliegtuigen in gevecht Sovjet-azen in de Tweede Wereldoorlog / Hugh Morgan ; vert. Janet van der Lee-Harkink Soviet army / ed. by Dmitry Volkogonov ; written and comp. by Yuri Vinogradov and Viktor Kuklenko ; transl. by Vladimir Krivoshchekov Weapons and tactics of the Soviet Army / David C. Isby