Harker, Alfred  1859-1939 <br/><br/>
Metamorphism :  a study of the transformations of rock-masses / 
by Alfred Harker. 
 - 3rd ed. 
 - London:   Methuen & Co.,   [1952].  
 - ix, 362 p. :  ill., ;  22 cm. 
<br/><br/>Includes index (p. 359-362). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Crystalline and metamorphic
<br/><br/><label>Dewey Class. No.: </label>551.6