@misc{Tison_Miroslav_Using_2007,
 author={Tison, Miroslav},
 type={artykuł},
 publisher={Wydawnictwo Akademii im. Jana Długosza w Częstochowie},
 title={Using non-graphical programs for teaching mathematics (specialized for geometry)},
 address={Częstochowa},
 year={2007},
 language={eng},
}