Barnett,Andrew Pyle,leo Subramanian,S.K <br/><br/>
Biogas technology in the third world  Multidisciplinary review / Andrew Barnett ,Leo Pyle and S.K.Subramanian 

 - Ottawa  IDRC  1978 
 - 132p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogas technology<br/>Technology