Blankenberg, Floris P <br/><br/>
Appropriate technology for rural development in India 

 - New Delhi  Concept publishing company  1953 
 - 296p.; 22cm. 
<br/><br/><label>ISBN: </label>8170223717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Appropriate technologies<br/>Biogas project<br/>Rural development - India<br/>Windmill project