TY - JOUR L1 - http://www.journals.pan.pl/Content/115910/PDF/00_0-0_Spis%20tresci_Bpast.No.68-1_27.02.20_K%20linked.pdf VL - 68 L2 - http://www.journals.pan.pl/Content/115910 PY - 2020 IS - No. 1 DA - 29.02.2020 T1 - Contents UR - http://www.journals.pan.pl/dlibra/publication/edition/115910 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences ER -