@article{21167,
      note = {Recd 01/97; IPC:CLASS contents IPC edition 1 to edition 6  + catchword indexes in English and French, edition 4 to 6 +  catchword index in German, edition 5 and 6 in Hungarian,  edition 6 + catchword index in Russian and edition 5, 6 +  catchword index in Spanish;.},
      url = {http://tind.wipo.int/record/21167},
      title = {IPC : CLASS for Windows (International Patent  Classification (IPC) Cumulative and Linguistic Advanced  Search System) : User's Guide Version 3.0 on CD-ROM = Guide  de l'utilisateur Version 3.0 = Benutzerhandbuch Version 3.0  = Gui?a del usuario Versio?n 3.0 = [Russian text].},
      recid = {21167},
      pages = {38 pages ;},
}