Cram, Jeffrey R. Introduction to surface electromyography / Jeffrey R. Cram, Glenn S. Kasman, with Jonathan Holtz. - Gaithersburg, Md. : Aspen Publishers, 1998. - xiv, 408 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0834207516 9780834207516 Subjects--Topical Terms: Electromyography.