TY - GEN A1 - Kowalski, Jan A1 - Nowak, Jan L1 - http://demo.dl.psnc.pl/Content/1730/PDF/Article-1.pdf L2 - http://demo.dl.psnc.pl/Content/1730 KW - magazyn KW - u7 KW - szkolenie T1 - Magazyn 1 PTH u7 UR - http://demo.dl.psnc.pl/dlibra/publication/edition/1730 ER -