@article{Kowalczuk:2001,
  author  = "M. Kowalczuk and P. Mackiewicz and D. Szczepanik and A. Nowicka and M. Dudkiewicz and M. Dudek and S. Cebrat",
  title   = "Multiple base substitution corrections in DNA sequence evolution",
  journal = "International Journal of Modern Physics C",
  volume  = "Vol. 12",
  number  = "no 7",
  pages   = "1043--1053",
  year    = "2001",
}