1. Behavior of loon and sardines;Allen;Ecology,1920
2. Observations on the habits of the finback and humpback whales of the eastern North Pacific;Andrews;Bull. Am. Mus. Nat. Hist.,1909
3. Weights of Antarctic humpback whales;Ash;Norsk Hvalfangst-Tidende,1953
4. The population structure and social organization of humpback whales (Megaptera novaeangliae) in the central and eastern North Pacific;Baker,1985