Ayres, R.U.  <br/><br/>
Technological forecasting and long-range planning  (Book) 

 - New York  McGraw-Hill  1969 
 - 237 p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological forecasting
<br/><br/><label>Universal Decimal Class. No.: </label>62.001 : 519.28 AYR  / 13978