Bergan, F., M. Sæbø, and H. Parker. 2016. “Evaluation of In-Field Stability of Mitochondrial and Nuclear DNA in Snow Sampled Fecal Pellets from Rock Ptarmigan (Lagopus Muta)”. Oecologia Montana 25 (1), 1-14. http://om.vuvb.uniza.sk/index.php/OM/article/view/276.