@article{18826,
      note = {Na s. tyt.: Stand 1.8.1989.},
      author = {Singer, Romuald, and Singer, Margarethe,},
      url = {http://tind.wipo.int/record/18826},
      title = {Europäisches Patentübereinkommen : Kommentar /},
      recid = {18826},
      pages = {xvii, 972 pages ;},
}