Douglas, S. W. Principles of veterinary radiography/ [by] S. W. Douglas and H. D . Williamson. - 3rd. ed. - London : Baillere Tindall, 1980. - viii, 296p. : ill. ; 26 cm Includes bibliographical references. ISBN: 0702007528 Subjects--Topical Terms: Veterinary radiography. Dewey Class. No.: 636.0896 DOU