Sparks,B.W. <br/><br/>
Rocks & Relief 

 - London  Longman Group Limited  1971 
 - xviii,404  Pb 
<br/><br/><label>ISBN: </label>0 582 48162 7 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>552