1.
Residuen bestrijdingsmiddelen in oppervlaktewater in de provincie Zeeland : inventarisatie van metingen in de periode 1990 - 1993
2.
3.
4.
5.
6.
7.
Technical review of the potential use of benthic macroinvertebrate biomonitoring, using the reference condition approach in the setting, monitoring and assessment of agri-environme...
Ecotoxicological models for Dutch environmental policy; models to be addressed in the Stimulation Program Systems-Oriented Ecotoxicological Research (NWO/SSEO)