@book{ BA49482136,
  author    = "Opałka, Roman and Hegyi, Lóránd and St.-Anna-Kapelle Passau",
  title     = "Roman Opalka",
  publisher = "Prestel",
  year      = "1999",
  URL       = "http://ci.nii.ac.jp/ncid/BA49482136"
}