Tekst (author, report nr.) Tiktak, A., J.J.T.I. Boesten, A.M.A. van der Linden, and M. Vanclooster, 2006. Journal of Environmental Quality(35):1213-1226. Year 2006 URL naar document http://dx.doi.org/10.2134/jeq2005.0377 Manual On Highlight on home Off Model PEARL