Individual recognition of cetaceans : use of photo-identification and other techniques to estimate population parameters : incorporating the proceedings of the Symposium and Workshop on Individual Recognition and the Estimation of Cetacean Population Parameters /
Hammond, Philip S.
Mizroch, Sally A.
Donovan, Gregory P.
International Whaling Commission.
Individual Recognition and the Estimation of Cetacean Population Parameters.Symposium and Workshop.
Cambridge : International Whaling Commission,
1990.