European red list of globally threatened animals and plants and recommendations on its application as adopted by the Economic Commission for Europe at its forty-sixth session (1991) by decision D (46)
Ecological aspects of economic development planning : report of the seminar organized by the Senior Advisers to ECE Governments on Environmental Problems and the Senior Economic Advisers to ECE Governments and held in Rotterdam, 7-11 April 1975
WICEM II : Second World Conference on Environmental Management, 10-12 April 1991, Rotterdam : conference report and background papers Author(s) Willums, Jan-Olaf Golüke, Ulrich
