Krause, Jens. Living in groups / Jens Krause, Graeme D. Ruxton. - 1a ed. - New York : Oxford University Press, 2002. - xiv, 210 p. : il. ; 24 cm. - Oxford series in ecology and evolution. . Bibliografía : p. 159-188 e índice. ISBN: 0198508182 Subjects--Topical Terms: Animales--Hábitos y conducta LC Class. No.: QL751 / K73 2002