@article{Patan:2007,
  author  = "K. Patan and J. Korbicz",
  title   = "Fault detection in catalytic cracking converter by means of probability density approximation",
  journal = "Engineering Applications of Artificial Intelligence",
  volume  = "Vol. 20",
  number  = "no 7",
  pages   = "912--923",
  year    = "2007",
}