Haswell, Margaret <br/><br/>
Energy for subsistence 

 - 2nd ed. 
 - London  ; The Macmillan Press  , 1985 
 - xiii,125p. 
<br/><br/><label>ISBN: </label>033338427  £7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>Energy
<br/><br/><label>Dewey Class. No.: </label>333.79  / HAS