Johannsen, Albert,  1871-1962 <br/><br/>
A descriptive petrography of the igneous rocks / 
Albert Johannsen 
 - Chicago :  University of Chicago University Press,  1962 
 - v. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Igneous<br/>Petrology<br/>Rocks--Classification and nomenclature