Johannsen, Albert <br/><br/>
Manual of petrographic methods. 

 - New York :  McGraw-Hill,  1918. 
 - 649 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrografía
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>552.12