@inbook{bibcite_14892,
  author = {Zdzis{\l}aw Pawlak and L. Rivero and J. Doorn and V. Ferraggine},
  title = {Encyclopedia of Database Technologies and Applications},
  year = {2006},
  chapter = {Rough sets},
  publisher = {Idea Group Inc.},
  address = {Hershey},
  isbn = {1-59140-560-2},
  language = {eng},
}