| Auteur(s) | Evans R. L., Potts S. G. |
| Jaar | 2013 |
| Titel | Yorkshire and the Humber Tormentil Mining Bee. In: University of Reading (ed.), Iconic Bees: 12 reports on UK bee species, pp. . 46-49. |
| Auteur(s) | Evans R. L., Potts S. G. |
| Jaar | 2013 |
| Titel | Yorkshire and the Humber Tormentil Mining Bee. In: University of Reading (ed.), Iconic Bees: 12 reports on UK bee species, pp. . 46-49. |