Sparks B W <br/><br/>
Rocks and relief 

 - London  Longman U K          1971 
 - xviii,404p.  cm. 
<br/><br/> Bib p. 379-87 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2, L1