@article{3964028,
      url = {http://digitallibrary.un.org/record/3964028},
      title = {Advantages and disadvantages of tourism : Joan Cals and  Antoni Casaluga},
      publisher = {UN,},
      recid = {3964028},
      pages = {24 p.},
      address = {[New York] :. 1975-05-02},
      year = {1975},
      month = {May},
}