Darrow, K <br/><br/>
Appropriate Technology Sourcebook 

 - New Delhi  Central Board of Irrigation an  1981 
 - 816p. 
<br/><br/><label>ISBN: </label>0917704061 
<br/><br/><label>Subjects--Index Terms: </label>Technology Sourcebook 
<br/><br/><label>Dewey Class. No.: </label>APP-6