Foundations of orientation and mobility
By: William R. Wiener, Richard L. Welsh, and Bruce B. Blasch, editors
Edition: 3rd ed.
Publisher: AFB Press
Published: 2010
Place of publication: New York
Language: eng
ISBN-13: 9780891284482; 9780891284628; 9780891284642
Notes: "Volume I HISTORY and THEORY."

Includes bibliographical references and index.