Yu, Bin, and Qing Lu. “Empirical Acoustic Model for Asphalt Surface Mixes”. The Baltic Journal of Road and Bridge Engineering 8, no. 3 (September 27, 2013): 151–157. Accessed May 4, 2024. https://bjrbe-journals.rtu.lv/bjrbe/article/view/bjrbe.2013.19.