Arakin, V.D., author
1993
Buku Referensi
compiled by O.S. Akhmanova ... [and others]
Foreign and National, 1959
Buku Referensi
Grigor`yev, Viktor Petrovich , author
Nauka, 1965
Buku Teks
Kunin, Aleksandr Vladimirovich, author
Sovetskaya Entsiklopediya, 1967
Buku Referensi
Vannikov, Yuriy Vennaminovich, author
Prosveshhenie, 1969
Buku Referensi