1. Verkeersmaatregelen in het buitengebied;CROW,1989
2. Categories of rural roads in the Netherlands: Functions, traffic characteristics and impacts. Some problems and solutions;Jaarsma,1991
3. Rural low-traffic roads (LTRs): The challenge for improvement of traffic safety for all road users;Jaarsma,1994
4. Verkeersplanning in landelijke gebieden;Jaarsma,1989
5. The motor vehicle and the environment: Balancing between accessibility and habitat fragmentation;Jaarsma,1996