Chestin, I. E. (Igorʹ Evgenʹevich)

Bears, brown bear, polar bear, asian black bear : distribution, ecology use and protection

1993 Chestin, I. E. (Igorʹ Evgenʹevich) | Vaisfeld, M. A. |

Torgovlya dikimi zhivotnymi i rastyeniyami v Rossii i Tsentralnoy Asii

1998 Chestin, I. E. (Igorʹ Evgenʹevich) |
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