Barnett, Andrew <br/><br/>
Biogas technology in the Third World :  a multidisciplinary review / 
Andrew Barnett, Leo Pyle, S. K. Subramanian. 
 - Ottawa :  International Development Research Centre,  c1978. 
 - 132 p. :  ill., graphs. 
<br/><br/><label>ISBN: </label>0889361622