SACHS Ignaey <br/><br/>
Development and planning 

 - Cambridge  Cambridge university press          1984 
 - ix,134p.  cm. 
<br/><br/><label>ISBN: </label>0521334543 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:75, M4/SC