Vacca, Roberto <br/><br/>
Modest technologies for a complicated world 
Roberto Vacca 
 - Oxford,New York  Pergamon Press  c1980 
 - xiv,172p.  22cm 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0080240674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.