TY - JOUR L1 - http://journals.pan.pl/Content/87711/PDF/22_paper.pdf L2 - http://journals.pan.pl/Content/87711 PY - 2013 IS - No 4 DO - 10.2478/afe-2013-0094 A1 - Zych, J. PB - The Katowice Branch of the Polish Academy of Sciences DA - 2013 T1 - Bench Life (Work Time) of Moulding and Core Sands with Chemical Binders – a New, Ultrasound Investigation Method UR - http://journals.pan.pl/dlibra/publication/edition/87711 T2 - Archives of Foundry Engineering ER -