Duff, P. Mcl. D. . <br/><br/>
Holmes` Principle of Physical Geology /  Textual Documents 
P. Mcl. D. Duff. 
 - 4th ed. / 
 - London :  Chapman & Hall ,  1994. 
 - xii, 791p. :  ill. ;  29cm . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0-412-46190-0 
<br/><br/><label>Subjects--Index Terms: </label>Geology Physical Geology Geophysics PG-Geology 
<br/><br/><label>Dewey Class. No.: </label>551  / Du 87 Ho