Michels, Jan; Schnack-Schiel, Sigrid B.; Pasternak, Anna; Mizdalski, Elke; Isla, Enrique; Gerdes, Dieter;
(2012).
Polar Biology, 35: 369-386.
DOI: 10.1007/s00300-011-1083-1
URI: http://hdl.handle.net/10261/71812