Harker, Alfred <br/><br/>
Petrology for students. 

 - Cambridge :  The University Press,  1935. 
 - 300 p. :  il. ;  16 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrología
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>552.1