| Auteur(s) | Dankov, A.I. |
| Jaar | 1915 |
| Titel | A list of bees (family Apidae) of the Tula province. (A study of bees in connection with pollination of plants). Izvestiya Tul. Obshch. Estestvozn (Tula) 3 : 52–61. |
| Auteur(s) | Dankov, A.I. |
| Jaar | 1915 |
| Titel | A list of bees (family Apidae) of the Tula province. (A study of bees in connection with pollination of plants). Izvestiya Tul. Obshch. Estestvozn (Tula) 3 : 52–61. |