Janiga, M., and Z. Višňovská. “Breeding Biology of Ring Ouzel (Turdus Torquatus) in the West Carpathians, Slovakia”. Oecologia Montana 30, no. 2 (December 28, 2021): 50-58. Accessed April 27, 2024. https://om.vuvb.uniza.sk/index.php/OM/article/view/348.