Kmita, A., and B. Hutera. “THE INFLUENCE OF PHYSICAL AND CHEMICAL PARAMETERS OF MODIFIED WATER GLASS ON THE STRENGTH OF LOOSE SELF-SETTING SANDS WITH WATER GLASS”. Metallurgy and Foundry Engineering, vol. 38, no. 1, June 2012, p. 67, doi:10.7494/mafe.2012.38.1.67.