TY  - JOUR
A1  - Rietveld, P.
A1  - Zwart, B.
A1  - van Wee, B.
A1  - van den Hoorn, T.
T1  - On the relationship between travel time and travel distance of commuters
Y1  - 1999
DO  - 10.1007/s001680050105
VL  - 33
IS  - 3

ER  -