Discrimination of carbon and nitrogen isotopes from milk to serum and vibrissae in Alaska Steller sea lions (Eumetopias jubatus) - Stegall, V.K.; Farley, Sean; Rea, Lorrie; Pitcher, K.W.; Rye, R.; Kester, C.L.; Stricker, C.; Bern, C.R. (Canadian Journal of Zoology, 2008)