Energy for rural development   : renewable resources and alternative technologies for developing countries; supplement 
/ advisory commitee or technology innovation, board on science and technology for International Development, commission an international relations, national research concil 
. - Washington  : National Academy press, 1981
. - 238 p.  : ill  ; 23 cm. 
<br/><br/>bibliogr,index 
<br/><br/><label>Source: </label> Fonds s.600 
<br/><br/><label>Universal Decimal Class. No.: </label>338.922.