The earth's physical resources / 
prepared by an Open University course team 
 - Milton Keynes :  The Open University Press,  1973 
 - v. :  ill. ;  30 cm. 
<br/><br/> materials accompaniedwith this book bearing the same call number are kept at APD. 
<br/><br/><label>ISBN: </label>0335024211 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources<br/>Economic development--Social aspects