Mansfield, Edwin <br/><br/>
The ecnomics of technological change / 
Ed. Mansfield. 
 - New York :  W.W. Norton & Company., Inc.,  1968. 
 - 257 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>Technological change