Tekst (author, report nr.) Van den Berg, F., R. Kubiak, W.G. Benjey, M.S. Majewski, S.R. Yates, G.L. Reeves, J.H. Smelt and , A.M.A. Van der Linden, 1999. Water, Air and Soil Pollution 115: 195-218. Year 1999 URL naar document https://doi.org/10.1023/A:1005234329622 Manual On Highlight on home Off Model PEARL