Earth Materials  : science, a second level course GEOLOGY 
Prepared by the course team 
 - UK:  The Open University press,  1971. 
 - 82p. 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>335021700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth
<br/><br/><label>Dewey Class. No.: </label>551  / OPE