ßí÷óê ².Ñ. гäê³ñí³ ïòàõè ñõ³äíèõ îêîëèöü Êðèâîãî Ðîãó
http://aetos.narod.ru/avifauna/avi3/avi3-06.pdf
Yanchuk I.S. Rare birds of eastern outskirts of Kryviy Rig Ukrainian
