Duff M J Et Al <br/><br/>
Strings '90 - Proceedings of the 4Th International Superstring Workshop 

 -  World Scientific  WSPC  1991 
<br/><br/><label>ISBN: </label>9789814439299 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics