Physics and mathematics of strings 
editors L. Brink, D. Friedan, A. M. Polykov. 
 - Singapore  World Scientific  1990. 
 - 595 p. : ill. ; 23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9971509806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Superstring theories.