1. Scheduling in Transportation: Two Case Studies;Allan-Andersen,1978
2. Plan 1990 (in Danish);DSB,1975
3. Greater Copenhagen Regional Transportation Study;Egnsplanrådet,1968
4. A Model for Allocation of Buses in a Network;Holm,1973
5. En Optimeringsmodel for Kollektiv Trafik;Holm,1975