@misc{Wierzbicki_Andrzej_P._Challenges,
 author={Wierzbicki, Andrzej P.},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 title={Challenges before National Institute of Telecommunications after fifty years of its activity, Journal of Telecommunications and Information Technology, 2001, nr 2},
 type={artykuł},
 keywords={mission, research programme, National Institute of Telecommunications},
}