Wood-Gush, David Grainger Marcus. Elements of ecology : a textbook for agricultural and veterinary students / David Grainger Marcus Wood-Gush. - London: Chapman & Hall, 1983. - viii, 240 p.: ill.; 22 cm. Includes bibliographical references: (p.209-229). Subjects--Topical Terms: Domestic animals--BehaviorAnimal behavior Dewey Class. No.: 636 WOO