Aavik, A., Paabo, P., & Kaal, T. (2006). Assessment of Pavement Structural Strength by the Falling Weight Deflectometer. The Baltic Journal of Road and Bridge Engineering, 1(4), 193-199. https://bjrbe-journals.rtu.lv/bjrbe/article/view/1822-427X.2006.4.193%E2%80%93199