Gronau, Reuben <br/><br/>
The value of time in passenger transportation :  the demand for air travel / 
Reuben Gronau 
 - New York :  National Bureau of Economic Research (NBER) ,  1970 
 - xiv, 74p. :  ill. ;   23 cm. 
 - NBER occasional paper .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0870142194 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transport and communications<br/>Transport<br/>Passenger traffic<br/>Aeronautics, Commercial
<br/><br/><label>Dewey Class. No.: </label>385  / GRO