Zwiebach, B <br/><br/>
First course in string theory 
B. Zwiebach 
 - 2 
 - Cambridge  Cambridge University Press  2009 
 - xxii 673 
<br/><br/><label>ISBN: </label>9780521176330  
<br/><br/><label>Dewey Class. No.: </label>13.07  / ZWIE