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

 -  1918 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>47247 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2:19, E8;2