Statkus, Tautvydas, and Vaidas Martinkus. 2013. “The Results of Corelation Between Cone Tip Resistance, Push-in Pressure Load Cells and a Compression Device”. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania 5 (5):525-29. https://doi.org/10.3846/mla.2013.82.