Mačiulaitis, R., & Nagrockienė, D. (2001). Evaluation of porous concrete resistance to freezing by different methods/Akytojo betono atsparumo šalčiui, taikant skirtingas bandymų metodikas, vertinimas. Journal of Civil Engineering and Management, 7(5), 397-404. https://doi.org/10.3846/13921525.2001.10531761