Niggli, Paul <br/><br/>
Ore deposits of magmatic origin :  their genesis and natural classification. 

 - New York :  D.Van Nostrand,  1929. 
 - 93 p. ;  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica<br/>Yacimiento intramagmático
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.062