Technology foundation course,the man-made world 
by Open University 
 - Walton hall  Bletchley Buckinghamshire, Open University Press  1972 
 - 112p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy resources
<br/><br/><label>Dewey Class. No.: </label>YA6 Op2/20-21