@article{99267,
      author = {Szymkiewicz, K.},
      url = {http://digitallibrary.un.org/record/99267},
      title = {Services in Poland's international trade : summary /},
      publisher = {UN,},
      recid = {99267},
      pages = {2 p.},
      address = {Geneva :. 1990-06-25},
      year = {1990},
      month = {Jun},
}