Elizabeth Peacock, Sarah A. Sonsthagen, Martyn E. Obbard, Andrei Boltunov, Eric V. Regehr, Nikita Ovsyanikov, Jon Aars, Stephen N. Atkinson, George K. Sage, Andrew G. Hope, Eve Zeyl, Lutz Bachmann, Dorothee Ehrich, Kim T. Scribner, Steven C. Amstrup, Stanislav Belikov, Erik W. Born, Andrew E. Derocher, Ian Stirling, Mitchell K. Taylor, Øystein Wiig, David Paetkau, Sandra L. Talbot
PLoS One. 2015; 10(1): e112021. Published online 2015 Jan 6. doi: 10.1371/journal.pone.0112021