Bryniarski93'

@inproceedings{DBLP:conf/rsctc/Bryniarski93,
  author    = {Edward Bryniarski},
  title     = {Formal Description of Rough Sets},
  booktitle = {RSKD},
  year      = {1993},
  pages     = {208-216},
  crossref  = {DBLP:conf/rsctc/1993},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/rsctc/1993,
  editor    = {Wojciech Ziarko},
  title     = {Rough Sets, Fuzzy Sets and Knowledge Discovery, Proceedings
               of the International Workshop on Rough Sets and Knowledge
               Discovery (RSKD'93), Banff, Alberta, Canada, 12-15 October
               1993},
  booktitle = {RSKD},
  publisher = {Springer},
  series    = {Workshops in Computing},
  year      = {1994},
  isbn      = {3-540-19885-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}