- Author: Бовт А.Н. Ловецкий Е.Е. Селяков И.В.
- Language: Русский
- Year: 1990
Драгоценные камни
djvu
- Author: Акимов В.Ф.
- Language: Русский
- Year: 1978
- Author: Fersman A.
- Language: Spanish
- Author: Levit G.S.
- Language: English
- Year: 2001
History of insects
djvu
- Author: A.P. Rasnitsyn Donald L. Quicke
- Language: English
- Year: 2001