GWINN,  R. P. <br/><br/>
The New Encyclopaedia Bitannica:  macropaedia (V 15 Birds - Chemical) 
Robert P. Gwinn 
 - 15th ed. 
 - Chicago  Encyclkopaedia Britannica  1989 
 - V15 (1096p.)  ill. 
<br/><br/> knowledge in depth 
<br/><br/><label>ISBN: </label>085229493X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> ENCYCLOPEDIAS AND DICCTIONARIES
<br/><br/><label>Dewey Class. No.: </label>REF 032  / GRn89