1. Adler , Thomas J. 1975 Joint Dissagregate Model of Non-Work Urban Passenger Travel Demand.
2. A Theoretical and Empirical Model of Trip Chaining Behavior.;Adler;Transportation Research,1979
3. Brög , W. 1980 Latest Empirical Findings of Individual Travel Behavior as a Tool for Establishing Better Policy-Sensitive Planning Models.
4. Interactive Measurement Methods: Theoretical Basis and Practical Applications.;Brög;Transportation Research Record,1980