Superstrings 87 : proceedings of the trieste spring school 1-11 april 1987  
Edited by L. Alvarez-Gaume...(et al.) 
 - 1a ed. 
 - Singapore :   World scientific,   1987 
 - V.:  22 cm. 
<br/><br/>Incluye referencias 
<br/><br/><label>ISBN: </label>9971505185 9971502976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supercuerdas
<br/><br/><label>LC Class. No.: </label>QC794.6.S85  / S87 1987