Bertulienė, Lina, and Alfredas Laurinavičius. “Research and Evaluation of Methods for Determining Deformation Modulus of Road Subgrade and Frost Blanket Course”. The Baltic Journal of Road and Bridge Engineering 3, no. 2 (June 29, 2008): 71–76. Accessed May 7, 2024. https://bjrbe-journals.rtu.lv/bjrbe/article/view/1822-427X.2008.3.71-76.