Pokrovsky I., Ehrich D., Ims R. A., Kulikova O., Lecomte N. and Yoccoz N. G. (2012) “Assessing the causes of breeding failure among the rough-legged buzzard (<em>Buteo lagopus</em&gt;) during the nestling period”, Polar Research, 310. doi: 10.3402/polar.v31i0.17294.