(1)
Spitz, J.; Mariotti, L.; Ridoux, V.; Caillot, E.; Elder, J. F. The Diet of Harbour Seals (Phoca Vitulina) at the Southern Limit of Its European Distribution (Normandy, France). NAMMCOSP 2010, 8, 313-328. https://doi.org/10.7557/3.2696.