- Author: Yelena Saparina
- Language: English
- Author: E. Asratyan P. Simonov
- Language: English
- Year: 1960
- Author: I. Zherebtsov
- Language: English
- Year: 1988
- Author: I. Zherebtsov
- Language: English
- Author: D. N. Zubarev
- Language: English
- Author: Boris Zubkov
- Language: English
- Author: E. Wentzel L. Ovcharov
- Language: English
- Author: B. A. Vorontsov-Vel'yaminov
- Language: English
- Author: L. A. Tsvetkov
- Language: English
- Year: 1985