Mansfield, Edwin. <br/><br/>
The economics of technological change. 

 - [1st ed.] 
 - New York  W. W. Norton  [1968] 
 - x, 257 p.  illus. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>66011414  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations--United States.<br/>Research, Industrial--United States.
<br/><br/><label>LC Class. No.: </label>HC110.T4  / M3 
<br/><br/><label>Dewey Class. No.: </label>338/.01