[1]
Koval, P.M. and Stoyanovich, S.V. 2010. RESEARCHES OF CONCRETE FRACTURE STRENGTH OF THE BEAMS BY TYPE "3 BET-90" AND "3 BET-120". Science and Transport Progress . 33 (Aug. 2010), 118–121. DOI:https://doi.org/10.15802/stp2010/13185.