Richard, S.A. Physiology of thermal panting in birds / S.A. Richards. - Ashford, Kent : Wye College, University of London, 1970. - 151-168 p. : ill., charts. ; 26 cm. - Reprint ; no. 472. . Includes bibliographical references: 166-168 Subjects--Topical Terms: Birds -- Effect of temperature on. Respiration