Mclintock, W. F. P. <br/><br/>
A guide to the collection of gemstones in the Geological Museum. 

 - London :  Geol.Museum,  1951. 
 - 74 p. :  il. ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica<br/>Gema
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.8