1. Abundance of killer whales in Antarctic Areas II, III, IV, and V. Report of the International Whaling Commission;PS Hammond,1984
2. The abundance of cetaceans in California waters. Part I: ship surveys in summer and fall of 1991. Fish. Bull;J Barlow,1995
3. Seasonal patterns in the abundance and distribution of California cetaceans. Mar. Mamm. Sci;KA Forney,1998
4. Small-boat surveys for coastal dolphins: line-transect surveys for Hector’s dolphins (Cephalorhynchus hectori). Fish. Bull;S Dawson,2004
5. Estimating abundance of killer whales in the nearshore waters of the Gulf of Alaska and Aleutian Islands using line-transect sampling. Mar. Biol;AN Zerbini,2007