Weinschenk, Erst Heinrich Oskar Kasimir,    1865-1921 <br/><br/>
Petrographic methods, the authorized English translation of part I, Anleitung zum gebrauch des polarisationsmikroskops (3d rev. ed.) and pa rt II, Die gesteinsbiledenden mineralien (2d rev. ed.)  /    
Ernest Hei nrich Weinschenk 
 - New York :   McGraw-Hill ,   1912 
 - xvii, 396 p. :    ill. ;    24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy--------<br/>Petrology--------<br/>Microscope and microscopy--------
<br/><br/><label>Dewey Class. No.: </label>552 WEI