Skripkiūnas, G., and V. Vaitkevičius. “The Influence of Coarse Aggregate Concentration on the Strength of Concrete and on the Porosity of Concrete mortar/Stambiojo užpildo Koncentracijos įtaka Betono Stiprumui Ir skiedininės Dalies Poringumui”. Journal of Civil Engineering and Management, vol. 7, no. 6, Dec. 2001, pp. 446-52, doi:10.3846/13921525.2001.10531771.