Schwarz, J.H (ed) <br/><br/>
Superstrings  first 15 years of superstring theory, Vol.2 
Ed by J.H. Schwarz 
 - Singapore  World Scientific  1985 
 - ix  577-1141 
<br/><br/><label>ISBN: </label>9971978660 
<br/><br/><label>Dewey Class. No.: </label>13.07  / SCHW