Long, D. J. (1997). First account oí tbe Birdbeak Dogfish Shark, Deania calcea, (Chondrichthyes: SquaUdae) from tbe northern coast of Peru. Universidad de Costa Rica.
Chicago Style CitationLong, Douglas J. First Account Oí Tbe Birdbeak Dogfish Shark, Deania Calcea, (Chondrichthyes: SquaUdae) From Tbe Northern Coast of Peru. Universidad de Costa Rica, 1997.
MLA CitationLong, Douglas J. First Account Oí Tbe Birdbeak Dogfish Shark, Deania Calcea, (Chondrichthyes: SquaUdae) From Tbe Northern Coast of Peru. Universidad de Costa Rica, 1997.
Warning: These citations may not always be 100% accurate.