Gerrard A J <br/><br/>
Rocks and land forms 
Gerrard A J 
 - London  Unwin Hyman          1988 
 - 319p.  cm. 
<br/><br/><label>Standard No.: </label>34848 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Rocks<br/>Geomorphology
<br/><br/><label>Dewey Class. No.: </label>U21, M8