WILLIAMS ROBERT WARREN 803,419 MICROSURGERY Microsurgery of the lumbar spine / ed. by Robert Warren Williams, John A. McCulloch, Paul H. Young. - Rockville, Maryland :/Aspen Publ., Inc., 1990. - XIX, 271 s. s il., wykr. ; 28 cm (Principles and Techniques in Spine Surgery) ISBN 0-8342-0090-6