Hughes, G. M. Comparative physiology of vertebrate respiration / G. M. Hughes - Cambridge, Mass., : Harvard University Press, c1963 [Reprinted 1965]. - xii, 146 p. : ill. ; 18 cm. Bibliography: p. [140]-142. and index. Subjects--Topical Terms: Vertebrates--Respiration.Physiology, Comparative. Dewey Class. No.: 591.12 / HUC 1965