Martinková, A., and M. Janiga. 1999. “Quantitative Comparisons of Cranial Shape and Size in Adults of Felis Silvestris, Vulpes Vulpes, Mustela Putorius and Mustela Nivalis from the West Carpathians (Slovakia)”. Oecologia Montana 8 (1-2), 32-37. https://om.vuvb.uniza.sk/index.php/OM/article/view/113.