International conference on environmental enforcement conference proceedings : September 22-25, 1992, Budapest, Hungary.
International Conference on Environmental Enforcement (1992 Budapest, Hungary) United States. Environmental Protection Agency.; Commission of the European Communities.; Netherlands. Ministerie van Volkshuisvesting, Ruimtelijke Ordening en Milieubeheer.
S.l. U.S. EnvironmentalProtection Agency Commission of the European Communities Ministry of Housing, Physical Planning, and Environment VROM, the Netherlands c1992