Scientific studies in Russian nature reserves and national parks 1992-1993
1997
Volkov, A. E. |
Kuleshova, L. V. |
Volkov, A. E.
Strict nature reserves [Zapovedniki] of Russia. Collection of "Chronicle of nature" data for 1991-1992
1996
Fedotov, A. E. |
Volkov, A. E. |