Singer, Hans <br/><br/>
Technologies for basic needs 
Hans Singer. 
 - Geneva  International Labour Office  1977 
 - x, 158p.; 25 cm. 
<br/><br/><label>ISBN: </label>9221017745 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic Development Technology - Social Aspects. 
<br/><br/><label>Dewey Class. No.: </label>303.483  / S48T