Superstrings, supergravity and unified theories 
/ The international Center for Theoretical Physics 
. - Singapore   : World Scientific, 1986
. - VIII-593 p.  ; 22 cm. 
 - The ICTP Series in Theoretical Physics .
<br/><br/><label>ISBN: </label>9971500353 9971500361 
<br/><br/><label>Source: </label> Dons divers 
<br/><br/><label>Universal Decimal Class. No.: </label>620.93