Heertje Armold <br/><br/>
Economics and technical change 

 - London  Weidenfeld and Nicolson          1977 
 - x,334p.  cm. 
<br/><br/><label>ISBN: </label>0 297 77271 6 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics Development
<br/><br/><label>Dewey Class. No.: </label>X:77ogF, L7