Edward Semper <br/><br/>
Hidden factors in Technological Change 

 - Oxford  Pergaman Press  1976 
 - 252p 
<br/><br/>Edward Semper; Philip Coggin; Harry Armytage; Michael Bassey & Jack Meadows: Hidden factors in Technological Change.  Oxford.  Pergaman Press, 1976. 0-08-0210074-1--(378.012SEM)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-08-0210074-1 
<br/><br/><label>Dewey Class. No.: </label>378.012  / SEM