The World of learning 1990 

 - 48th ed 
 - London  Europa Publications  1990 
 - xv,1964p  29cm 
<br/><br/><label>ISBN: </label>0946653542 
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>060  / WOR