Hidden factors in technological change / 
editors : Edward Semper ... [et al.]. 
 - Oxford :  Pergamon Press,  1976. 
 - xiii, 252 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0080210074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Social aspects.<br/>Education.