Esch, Dortha Evaluation of joint motion : methods of measurement and recording / By Dortha Esch and Marvin Lepley. Illus. by Jean Magney - University of Minnesota Press : Minneapolis, 1974 - viii, 44 p. : ill. ; 28 cm. Bibliography: p. 43 ISBN: 0816607141 Subjects--Topical Terms: Joints--Range of motion--Measurement