DISSERTATION ABSTRACTS INTERNATIONAL -B- THE SCIENCES AND ENGINEERING 

 - EUA :  University Microfilms International 
 - Mensual 
 - 1991 52 (1, 12*) (* pte 1) 1992 (1) 1997 57 (12 A&B) 
<br/><br/><label>ISSN: </label>0419-4209