@book{Cebrat:1999,
  editor    = "S. Cebrat and M. Dudek",
  title     = "Physica A, ISSN: 0378-4371",
  publisher = "Elsevier Science B.V.",
  address   = "Amsterdam",
  year      = "1999",
  volume    = "Vol. 273(no 1-2)",
}