1. Component fatty acids of the milk of the grey (Atlantic) seal;Ackman;Can. J. Biochem. Physiol.,1963
2. Standard measurements of seals;American Society of Mammalogists;J. Mammal.,1967
3. The growth of the grey seal (Halichoerus grypus (Fabricius)) from birth to weaning;Amoroso;J. Anat.,1951
4. Vitamin A in pregnancy and lactation;Bates,1983
5. Analysenverfahren zur Bestimmung von ausgewählten PCB-Einzelkomponenten in Lebensmitteln;Beck;Bundesgesundhbl.,1985