New localities of Quaternary fossil Bears (Ursus sp. L.) (Mammalia: Carnivora: Ursidae)

by Slaveya Stoycheva, Dilian Georgiev, Liubomir Yankov, Stanimira Deleva, Pavlin Zhelev, Anelia Pvlova, Mariela Zagorska
Published 2010-01-01