@inproceedings{FroehlichHeinzSteinebachetal.1998,
  author    = {W. Fr{\"o}hlich and M. Heinz and G. Steinebach and K. Wilke},
  title     = {Water level forecasts for navigation on the river Elbe and river Rhine - A contribution to an intelligent waterway},
  series = {International Navigation Association (Ed.): 29th PIANC International Navigation Congress. 6 - 11 September 1998, The Hague, The Netherlands. Section 1, subject 3},
  isbn      = {2-87223-095-5},
  pages     = {55 -- 60},
  year      = {1998},
  language  = {en}
}