Traffic linkage patterns between a metropolitan area and the communities within its region of influence - Greenwood, George Watkins 1929- (Urbana University of Illinois, Engineering Pub. Office, 1966)
Illinois cooperative highway research program series, no. 50
University of Illinois bulletin, v. 64, no. 5; Aug. 1966
Keywords: Traffic engineering -- Champaign -- Urbana metropolitan area; Traffic engineering -- Mathematical models