Ondrejka Harbuľáková, V., A. Eštoková, and M. Kovalčíková. “TUDY F ONCRETE AMPLES ITH ARIOUS ONTENTS F LAG NDER ULPHATES TTACK SING ATHEMATICAL PPROACH”. zech ournal of ivil ngineering, vol. 2, no. 2, Dec. 2016, pp. 116-9, doi:10.51704/cjce.2016.vol2.iss2.pp116-119.