@article{17108,
      note = {(F/E) : French and English version; See French version in  LE CLASSEMENT à L'AIDE DE LA CIB : 2EME SEMINAIRE  SPECIALISE : VIENNE, 10-14 MAI 1982;.},
      url = {http://tind.wipo.int/record/17108},
      title = {Classifying with IPC : 2nd Advanced Seminar : Vienna, May  10-14, 1982).},
      recid = {17108},
      pages = {1 volume (various paging) ;},
}