Statkus, Tautvydas, and Vaidas Martinkus. 2014. “Experimental and Theoretical Research of Deformation of Vertically Loaded Displacement Piles in Sand Soil”. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania 6 (5):493-98. https://doi.org/10.3846/mla.2014.691.