NATO ADVANCED STUDY INSTITUTE (1990 <br/><br/>
"Proceedings of NATO Advanced Study Institute, Crete, Greece, May 27- June 8 1990" 

 - Dordrecht  Kluwer  1991 
 - Hbk.xi p. + 364 
 - NATO ASI Series C .
<br/><br/><label>ISBN: </label>0-7923-1349-6 
<br/><br/><label>Source: </label>***Free