Williams, Howel,  1898- <br/><br/>
Petrography :  an introduction to the study of rocks in thin sections / 
Howel Williams, Francis J. Turner and Charles M. Gilbert 
 - Bombay :  Vakils feffer and simons,  1965 
 - xiv, 406 p. :  ill., dia. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0716713764 :  DB Act Rs. 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology<br/>Thin sections (Geology)<br/>Rocks, Metamorphic<br/>Rocks, Igneous
<br/><br/><label>Dewey Class. No.: </label>552