University Microfilms Inc. <br/><br/>
Serials In Microform. 

 -  University Microfilms Inc.  1989 
 - 1246 P. 28 CM. 
<br/><br/><label>ISBN: </label>3612740 
<br/><br/><label>Dewey Class. No.: </label>R 050 SER 1989