Smith, William John. The behavior of communicating : an ethological approach / W. John Smith. - Cambridge, Mass. : Harvard University Press, 1977. - viii, 545 p. : ill. - 591.5/9 . Includes index. Bibliography: p. [469]-513. ISBN: 0674064658 Subjects--Topical Terms: Animal communication. Dewey Class. No.: 591.5/9