Parkhats, Vadzim, Rafał Krzywoń, Jacek Hulimka, and Jan Kubica. 2021. “Determination of Bond Model for 7-Wire Strands in Pretensioned Concrete Beam”. Acta Polytechnica 61 (6): 740-48. https://doi.org/10.14311/AP.2021.61.0740.