Windpumps  a guide for development workers 
Peter Fraenkel ... et al. 
 - London  Intermediate Technology Publications  1993 
 - 156 p. : ill. ; 30 cm. 
<br/><br/> In association with the Stockholm Environment Institute 
<br/><br/><label>ISBN: </label>1853391263  RM74.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wind pumps<br/>Windmills