| Auteur(s) | Pesenko, Y. |
| Jaar | 1972 |
| Titel | Contributions to the fauna and ecology of bees (Apoidea) in the Lower Don basin. Report 3. Phenology and trophic links of the Andrenidae. Zoology Zhurnal (Moscow) 51(8): 1196–1200. |
| Auteur(s) | Pesenko, Y. |
| Jaar | 1972 |
| Titel | Contributions to the fauna and ecology of bees (Apoidea) in the Lower Don basin. Report 3. Phenology and trophic links of the Andrenidae. Zoology Zhurnal (Moscow) 51(8): 1196–1200. |