Conroy, D. A. <br/><br/>
Van Nostrand's scientific encyclopedia 

 - 6th Edition 
 - New York  Van Nostranol Reenhold  1983 
 - 2v. 
<br/><br/><label>ISBN: </label> USD 139.50, (Set of 2 vol.) 
<br/><br/><label>Source: </label> USD 139.50, (Set of 2 vol.) 
<br/><br/><label>Dewey Class. No.: </label>503.21 VAN