Bjørge, A., G. Desportes, G. T. Waring, and A. Rosing-Asvid. “Introduction: The Harbour Seal (<i>Phoca vitulina</I&gt;) - a Global Perspective”. NAMMCO Scientific Publications, Vol. 8, Sept. 2010, pp. 7-11, doi:10.7557/3.2668.