| Auteur(s) | Banaszak, J., Cierzniak, T., Kriger, R. and Wendzonka, J. |
| Jaar | 2006 |
| Titel | Bees of xerothermic swards in the lower Vistula valley: diversity and zoogeographic analyses (Hymenoptera: Apoidea: Apiformes). Polskie Pismo Entomologiczne 75: 105-154. |