North-South Differentiation and a Region of High Diversity in European Wolves (Canis lupus) - Stronen, Astrid Vik; Jedrzejewska, Bogumila; Pertoldi, Cino; Demontis, Ditte; Randi, Ettore; Niedzialkowska, Magdalena; Pilot, Malgorzata; Sidorovich, Vadim E.; Dykyy, Ihor; Kusak, Josip; Tsingarska, Elena; Kojola, Ilpo; et al. (PLoS ONE, 2013)