Zheng, Chuanfeng, Genze Li, Yazhi Xu, Danni Wang, and Dan Lv. 2018. “Analysis of the Effects of Ageing on the Cohesive Strength of Polymer-Modified Bitumen at Low Temperatures”. The Baltic Journal of Road and Bridge Engineering 13 (2): 156-64. https://doi.org/10.7250/bjrbe.2018-13.410.