Zwiebach, Barton <br/><br/>
First course in string theory /  
by Barton Zwiebach 
 - 2nd ed. 
 - New Delhi :   Cambridge University Press,   2009.  
 - xxii, 673 p. :   ill. ;   26 cm.  
<br/><br/>Includes bibliographical references (p. [659]-666) and index. 
<br/><br/><label>ISBN: </label>9780521176330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>String models. 
<br/><br/><label>Dewey Class. No.: </label>539.725  / ZWI/F