Inverse relations
[ .. ] → schema:author → Kalf, D.F.
[ .. ] → schema:contributor → Kalf, D.F.
Acute aquatic risk indicator for pesticides / R. Luttik and D.F. Kalfschema:ProductModel
AMPA; inventarisatie van bronnen in Nederlands oppervlaktewater / auteurs: N. Staats, R. Faasen, D.F. Kalfschema:ProductModel
Bestrijdingsmiddelen in oppervlaktewater : vergelijking tussen Nederland en andere Europese landen / C.E. Smit, D. Kalfschema:ProductModel
Derivation of the ecotoxicological serious soil contamination concentration : substances evaluated in 1993 and 1994 / G.H. Crommentuijn, R. Posthumus and D.F. Kalfschema:ProductModel
Environmental risk limits for ethylene diamine tetra acetic acid (EDTA) / D.F. Kalf ... [et al.]schema:ProductModel
Integrated environmental quality objectives for polycyclic aromatic hydrocarbons (PAHs) / D.F. Kalf ... [et al.]schema:ProductModel
Selection of substances, deserving policy attention / A.P. van Wezel, D. Kalfschema:ProductModel