Jaffe, Abram J. <br/><br/>
Technology and jobs :  automation in perspective / 
A. J. Jaffe and Joseph Froomkin. 
 - New York :  F. A. Praeger,  1968. 
 - xvi, 284 p. :  ill. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>68011319  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automation--Economic aspects--United States.<br/>Labor productivity--United States.