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Authors: van der Molen, DT Boers, PCM

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Citation: O. Oenema et al., Leaching of nitrate from agriculture to groundwater: the effect of policies and measures in the Netherlands, ENVIR POLLU, 102, 1998, pp. 471-478

Authors: van der Molen, DT Portielje, R de Nobel, WT Boers, PCM

Citation: Dt. Van Der Molen et al., Nitrogen in Dutch freshwater lakes: trends and targets, ENVIR POLLU, 102, 1998, pp. 553-557