Genetic variability of the grey wolf Canis lupus in the Caucasus in comparison with Europe and the Middle East: distinct or intermediary population? - Pilot M; Dąbrowski MJ; Hayrapetyan V; Yavruyan EG; Kopaliani N; Tsingarska E; Bujalska B; Kamiński S; Bogdanowicz W (PloS one, 2014)