Sahal, Devendra. <br/><br/>
Patterns of technological innovation / 
Devendra Sahal ; foreword by Richard R. Nelson. 
 - Reading, Mass. :  Addison-Wesley Pub. Co., Advanced Book Program/World Science Division,  c1981. 
 - xvi, 381 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0201066300 
<br/><br/><label>LCCN: </label>81007967  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations.
<br/><br/><label>LC Class. No.: </label>T173.8  / .S24 
<br/><br/><label>Dewey Class. No.: </label>608/SAP