4BMV-Bundesministerium ftir Verkehr 1993. Gesamtwirtschaftliche Bewertung yon Verkehrswegeinvestitionen. Bonn.
5Verheem R 1999. SEA Performance criteria, Presentation at the IAIA 2000 Glasgow meeting,16 to 20 June 1999.
6Sadler, B. and R. Verheem. (1996)- Strategic Environmental Assessemnt :Status,Challenges and Future Directions. Ministry of Housing, Spatial Planning and the Environment Publication No.53 ,The Hague ,Netherlands.
7Sadler, B. ( 1998 ). Institutional Requirements for Strategic Environmental Assessments,paper to the 2nd Intergovernmental Policy Forum* ,Christchurch, New Zealand (* held in association with the IAIA Annual Meeting).
8MWV-Ministerie van Verkeer en Waterstaat 1989. Second Transport Structure Plan (SVVII), part d: Government decision,Den Haag.
