Geology internal processes  : a second level course 

 - Islamabad:  The open university press,  1972. 
 - 118p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>335021743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth- Internal structure<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551  / OPI