@article{Wojtowicz:2003,
  author  = "W. Wojtowicz and A. Krawczyk and A. Więckowski and R. Fiedorow",
  title   = "EPR study of coke formed on alumina",
  journal = "Applied Magnetic Resonance",
  volume  = "Vol. 24",
  number  = "no 3-4",
  pages   = "343--349",
  year    = "2003",
}