References
- Dalvi , Q. 1978 . “Economic theories of travel choice,” . In Determinants of Travel Choice , Edited by: Hensher , D. A. and Dalvi , Q. 66 – 97 . Farnborough : Saxon House .
- Stopher , P. R. and Meyburg , A. H. 1974 . “Travel demand estimation: a new prescription.” . Traffic Engineering and Control , : 879 – 884 .
- Wislon , A. G. 1974 . Urban and Regional Models in Geography and Planning , Chichester : John Wiley .