Graves, Howard B. <br/><br/>
The mineral key. 

 - New York :  McGraw-Hill,  1947. 
 - 175 p. :  il. ;  18 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogía<br/>Minerales
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>549.1