@article{1641757,
      url = {http://digitallibrary.un.org/record/1641757},
      title = {Preparatory documentation on the single convention : note  /},
      publisher = {UN,},
      recid = {1641757},
      pages = {51 p.},
      address = {[New York] :. 1950-02},
      year = {1950},
      month = {Feb},
}