Weinschenk, Ernst <br/><br/>
Petrographic methods. 

 - XVII, 396 p.  ill. 
<br/><br/> Translation of Anleitung zum Gebrauch des Polarisationsmikroskops and Die Gesteinsbildenden Mineralien 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GG Microscopy<br/>RMCA