1. Diet of the northern elephant seal;Antonelis,1994
2. Searching Behaviour: The Behavioural Ecology of Finding Resources;Bell,1991
3. Habitat use and diving behaviour of harbour seals in a coastal archipelago in Norway;Bjorge,1995
4. Cardiovascular adjustments to diving in mammals and birds;Blix,1983
5. Developmental and seasonal changes in resting metabolic rates of captive female grey seals;Boily;Canadian Journal of Zoology,1997