Waghmare, Yeshwant R. Understanding special theory of relativity / Yeshwant R. Waghmare. - New Delhi ; Har-Anand, 1990. - viii, 151pages : iIllustrations ; 22 cm. Includes bibliography and index. ISBN: 0706953134 Subjects--Topical Terms: Physics Dewey Class. No.: 530.11 / WAG