Ondrejka Harbuľáková, Vlasta, Adriana Eštoková, and Martina Kovalčíková. “TUDY F ONCRETE AMPLES ITH ARIOUS ONTENTS F LAG NDER ULPHATES TTACK SING ATHEMATICAL PPROACH”. Czech Journal of Civil Engineering 2, no. 2 (December 31, 2016): 116-119. ccessed April 28, 2024. https://cjce.cz/journal/article/view/118.