Oi, Walter Y. <br/><br/>
An analysis of urban travel demands / 
by Walter Y. Oi and Paul W. Shuldiner 
 - Evanston, Ill. :  Northwestern University Press,  1962 
 - 281 p. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>City traffic