Allen, John R. L.  <br/><br/>
Physical geology / 
John R. L. Allen. 
 - London :  George allen & unwin Ltd,  c 1975. 
 - 141 p. :  ill. ;  24 cm. 
 - Introducing geology ;  3 .
<br/><br/> Include index. 
<br/><br/>340  340 
<br/><br/><label>ISBN: </label>0 04 550022 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.
<br/><br/><label>Dewey Class. No.: </label>551 / A53p