@article{244378,
      author = {Wieriks, Koos. and Schulte-Wülwer-Leidig.},
      url = {http://digitallibrary.un.org/record/244378},
      title = {Integrated water management for the Rhine river basin,  from pollution prevention to ecosystem improvement /},
      recid = {244378},
      address = {1997},
}