@article{Nowicka:2003,
  author  = "A. Nowicka and P. Mackiewicz and M. Dudkiewicz and D. Mackiewicz and M. Kowalczuk and S. Cebrat and M. Dudek",
  title   = "Correlation between mutation pressure, selection pressure, and occurrence of amino acids",
  journal = "Lecture Notes in Computer Science : Computational Science - ICCS 2003",
  volume  = "Vol. 2658",
  pages   = "650--657",
  year    = "2003",
}