@ARTICLE{Halang_W._A_2010,
 author={Halang, W. and Śnieżek, M.},
 volume={58},
 number={No 3},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={423-434},
 howpublished={online},
 year={2010},
 title={A safe programmable electronic system},
 URL={http://journals.pan.pl/Content/83139/PDF/08_paper.pdf},
 doi={10.2478/v10175-010-0040-4},
}