Ernst, W. G.  1931- <br/><br/>
Earth materials / 
W. G. Ernst 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1969 
 - viii, 149 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p. 143-144 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy<br/>Geochemistry<br/>Petrology