Kaku, Michio. Introduction to superstrings and M-theory / Michio Kaku. - 2nd ed. - New York : Springer, 1999. - xvii, 587 p. : ill. ; 24 cm. - Graduate texts in contemporary physics . Includes bibliographical references and index. ISBN: 0387985891 RM189.14 LCCN: 98-026976 Subjects--Topical Terms: Superstring theories.