| Auteur(s) | Berezin M.V. |
| Jaar | 1995b |
| Titel | Bumblebees in Arctic ecosystems. Ecosystems of the North, structure, adaptations, stability. In: Proc Rus conference, Moscow, pp 43–57 |
| Auteur(s) | Berezin M.V. |
| Jaar | 1995b |
| Titel | Bumblebees in Arctic ecosystems. Ecosystems of the North, structure, adaptations, stability. In: Proc Rus conference, Moscow, pp 43–57 |