WaringGordon T, GilbertJames R, Dana Belden, Van AttenAmy, and DiGiovanni JrRobert A. 2010. “A Review of the Status of Harbour Seals (<i>Phoca vitulina</I&gt;) in the Northeast United States of America”. NAMMCO Scientific Publications 8 (September), 191-212. https://doi.org/10.7557/3.2685.