Zwiebach, Barton A first course in string theory [2nd ed.] - 2nd ed.2009. 1st South Asia ed. 2009.Rep. 2022 - New Delhi Cambridge University Press 2009 - xxii, 673p. ; 24 cm ISBN: 9780521176330 Subjects--Index Terms: Nuclear reactions PH47X Physics String models Dewey Class. No.: 530.14 / ZWI.2E