@article{9948,
      note = {See English version in INDUSTRIAL PROPERTY 1976, Vol 15,  No 11, p 253-263.},
      author = {Kopff, Andrzej,},
      url = {http://tind.wipo.int/record/9948},
      title = {Lettre de Pologne /},
      recid = {9948},
      pages = {1 volume ([11] pages) ;},
}