@article{267207,
      note = {Includes registration form.},
      url = {http://digitallibrary.un.org/record/267207},
      title = {Annual Training Course on Natural Gas Rate-making in the  ECE Region with an Emphasis on Economies in Transition :  Modelling Elements of Market-based Natural Gas Pricing,  Groningen (Netherlands), 14-19 March 1999 and September  1999 : information notice no. 2.},
      publisher = {UN,},
      recid = {267207},
      pages = {6 p. :},
      address = {Geneva :. 1999-01-12},
      year = {1999},
      month = {Jan},
}