Kalasin T, Khamchan C, Aoddej A. Effects of Particle Size and Soil Bed on the Shear Strength of Materials in the Direct Shear Test. Period. Polytech. Civil Eng. [Internet]. 2023 Jan. 1 [cited 2024 May 18];67(1):166-7. Available from: https://pp.bme.hu/ci/article/view/20416