Vul`fson, R.Ye., author
Prosveshhenie, 1967
Buku Referensi
Izdatel`tvo kazanskogo universiteta, 1978
Buku Referensi
Pertsov, V., author
Sovetskij Pisatel, 1951
Buku Teks
Prokop`ev, Nykofor Petrovych, author
Ministerstva Oborony SSSR, 1965
Buku Teks
Chekov, Anton Pavlovich, author
Khudozhestvennaya Literatura, 1947
Buku Teks