@article{244984,
      url = {http://digitallibrary.un.org/record/244984},
      title = {Draft text of the technical guidelines on physico-chemical  treatment (D9) and biological treatment (D8).},
      publisher = {UN,},
      recid = {244984},
      pages = {80 p. :},
      address = {Geneva :. 1997-07-21},
      year = {1997},
      month = {Jul},
}