Energy systems environment and developmnet   A read    

 - New York  United Nations USA         1991 
 - 496p.  cm. 
 - UN, Advanced Technology Assessment  system ,6 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuel
<br/><br/><label>Dewey Class. No.: </label>X9(F55).1(X).N9, N1/UN