@article{87641,
      author = {Donnert, D. and Salecker, M.},
      url = {http://digitallibrary.un.org/record/87641},
      title = {Investigations on phosphorus removal from wastewater by  precipitation of calcium phosphate induced by seeding  crystals /},
      publisher = {UN,},
      recid = {87641},
      pages = {6 p. :},
      address = {Geneva :. 1990-02-22},
      year = {1990},
      month = {Feb},
}