SIGMO study.
Contributors: Projectbureau Integrale Verkeers- en Vervoersstudies.; Cambridge Systematics Inc.
Publisher: Ministry of Transport, Projectbureau IVVS
Published: 1977
Place of publication: Den Haag
Language: eng
Notes: A study executed for the Projectbureau for Integral Transport Studies of the Netherlands Ministry of Transport, by Cambridge Systematics Inc., Netherlands Economic Institute and Netherlands Institute of Transport.