Sahal, Devendia <br/><br/>
Patterns of technological innovation / 
Devendia Sahal 
 - London :  Addision-Wesley Publishing Company,  1981 
<br/><br/>Includes references ; bibliography & index. 
<br/><br/><label>ISBN: </label>0201066300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovation
<br/><br/><label>Dewey Class. No.: </label>606  / SAH