Grolier Inc. <br/><br/>
Encyclopedia of knowledge 
Grolier Inc. 
 - USA  Grolier Inc.  1991 
 - 415p.  Col. ill;  24cm 
<br/><br/><label>ISBN: </label>0717253074 
<br/><br/><label>Dewey Class. No.: </label>031/  / GRO