1. Axelrod, M., ?Urban Structure and Social Participation,? American Sociological Review, Vol. 21, 1956, pp 13?18.
2. Barnard, P.O., ?Use of an Activity Diary Survey to Examine Travel and Activity Reporting in a Home Interview Survey,? Transportation, 1986.
3. Bonsall, P., F, Montgomery and C. Jones, ?Deriving the Constancy of Traffic Flow Composition from Vehicle Registration Data,? Traffic Engineering and Control, Vol. 25, No. 7/8, 1984, pp 386?391.
4. Burnett, K. P., ?Tests of a Linear Learning Model of Destination Choice: Application to Shopping Travel by Heterogeneous Population Groups, Geographiska Annaler Series B, Vol. 59, 1977, pp 95?108.
5. Burnett, K.P. and S. Hanson, ?Rationale for an Alternative Mathematical Approach to Movement as Complex Human Behavior,? Transportation Research Record, 723, 1979, pp 11?24.