Authors
Rafal Doroz
Institute of Computer Science University of Silesia, ul. Będzinska 39, 41-200, Sosnowiec, Poland
Krzysztof Wrobel
Institute of Computer Science University of Silesia, ul. Będzinska 39, 41-200, Sosnowiec, Poland
Piotr Porwik
Institute of Computer Science University of Silesia, ul. Będzinska 39, 41-200, Sosnowiec, Poland