Citation:
Cubbage, J.C., J. Calambokidis, G.H. Steiger, K.C. Balcomb, and P. Bloedel. 1988. Photo-identification of humpback whales, Megaptera novaeangliae, in the Gulf of the Farallones, California, with an analysis of potential sources of sample bias. Symposium on the Use of Non-Lethal Techniques, Especially Photo-Identification Techniques, to Estimate Cetacean Population Parameters, 29 April-1 May, La Jolla, California.