TY - GEN A1 - Kowalski, Jan A1 - Nowak, Jan L1 - http://demo.dl.psnc.pl/Content/1727/PDF/Article-2.pdf L2 - http://demo.dl.psnc.pl/Content/1727 KW - magazyn KW - u2 KW - szkolenie T1 - Magazyn2 PTH u2 UR - http://demo.dl.psnc.pl/dlibra/publication/edition/1727 ER -