Lead levels in the bones of snow voles Chionomys nivalis (Martins, 1842) (Rodentia) from European Mountains: A comparative study of populations from the Tatra (Slovakia), Vitosha and Rila (Bulgaria)

作者： Sandro Lovari , Zuzana Hrehová , Marián Janiga , Cvetelina Gerasimova , Krastio Dimitrov