Gamser Matthew and others <br/><br/>
Tinker, Tiller, Technical change  Technologies from the people    
Gamser Matthew and others 
 - London  1990            1990 
 - xvii,279p  cm. 
<br/><br/><label>ISBN: </label>1853390615 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics IRT Technology
<br/><br/><label>Dewey Class. No.: </label>X0gF.1(X).N8, N0