Estimation of hooded seal ( Cystophora cristata) pup production in the Greenland Sea pack ice during the 2005 whelping season.Published in:Polar Biology, 2008, v. 31, n. 7, p. 867, doi. 10.1007/s00300-008-0425-0By:Salberg, Arnt-Børre;Haug, Tore;Nilssen, KjellPublication type:Article