Becker, Walter Ear, nose, and throat diseases a pocket reference W. Becker, H.H. Naumann and; Carl Rudolf Pfaltz. - 7th. ed.. - New York George Thieme Verlag 1994 - xiv,[39]583p., ill.; 24cm. ISBN: 3-13671202. Dewey Class. No.: 617.51 / B38E