Gronau, Reuben,  1937- <br/><br/>
The value of time in passenger transportation:  the demand for air travel. 

 - New York,  National Bureau of Economic Research; distributed by Columbia University Press,  1970. 
 - xiv, 74 p.  illus.  24 cm. 
<br/><br/> A revision of the author's thesis, Columbia University, 1967. 
<br/><br/>Bibliography: p. [69]-71. 
<br/><br/><label>ISBN: </label>0870142194 
<br/><br/><label>LCCN: </label>70091205  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics, Commercial--Passenger traffic.--United States<br/>Transportation--Passenger traffic.--United States
<br/><br/><label>LC Class. No.: </label>H11  / .N2432 no. 109 
<br/><br/><label>Dewey Class. No.: </label>387.7420973