Weber, Robert J. <br/><br/>
Forks, phonographs and hot air balloons:   a field guide to inventive thinking 
/ By Robert J. Weber 
 - New York  Oxford university press  1992 
 - xiv, 276 p. 
<br/><br/> includes reference & index 
<br/><br/><label>ISBN: </label>019506402X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions<br/>Creative thinking
<br/><br/><label>Dewey Class. No.: </label>609  / WEB