Greenbaum, Walter W. <br/><br/>
The gemstone identifier / 
Walter W. Greenbaum 
 - New York :  Arco Pub,  1982 
 - 184 p.  :  ill.  ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0668053879 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones--Handbooks, manuals, etc