Bergan, F., M. Sæbø, and H. Parker. “Evaluation of In-Field Stability of Mitochondrial and Nuclear DNA in Snow Sampled Fecal Pellets from Rock Ptarmigan (Lagopus Muta)”. Oecologia Montana, Vol. 25, no. 1, June 2016, pp. 1-14, https://om.vuvb.uniza.sk/index.php/OM/article/view/276.