@inproceedings{Luxenburger97,
  author = {Luxenburger, Michael},
  booktitle = {Modelling incomplete information: fundamentals and application --- the rough set approach},
  editor = {Orlowska, E.},
  interhash = {4c4300a254496ff323dbe8ef134248f6},
  intrahash = {b28291aebab82094d378eaba579f4343},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Springer--Verlag},
  title = {Dependencies between many--valued attributes},
  year = {to appear}
}