Mastepanov, M., Sigsgaard, C., Ström, L., Tagesson, T.
, Tamstorf, M. P. & Christensen, T. R. (2008).
Methane emissions from a high arctic valley: findings and challenges. I
American Geophysical Union, Fall Meeting 2008 (Bind 89). American Geophysical Union.
http://adsabs.harvard.edu//abs/2008AGUFM.B24A..06M
Fort, J., Pettex, E., Tremblay, Y., Lorentsen, S.-H., Garthe, S., Votier, S., Pons, J.-B., Siorat, F., Furness, R. W., Grecian, W. J., Bearhop, S., Montevecchi, W. A. & Grémillet, D. (2012).
Meta-population evidence of oriented chain migration in northern gannets (Morus bassanus).
Frontiers in Ecology and the Environment,
10(5), 237-242.
http://www.esajournals.org/toc/fron/0/0