@article{shan_tan_underwood_kim_2010, title={Application of Thixotropy to Analyze Fatigue and Healing Characteristics of Asphalt Binder}, volume={2179}, ISSN={0361-1981 2169-4052}, url={http://dx.doi.org/10.3141/2179-10}, DOI={10.3141/2179-10}, number={1}, journal={Transportation Research Record: Journal of the Transportation Research Board}, publisher={SAGE Publications}, author={Shan, Liyan and Tan, Yiqiu and Underwood, Shane and Kim, Y. Richard}, year={2010}, month={Jan}, pages={85–92} }
 @article{underwood_heidari_guddati_kim_2005, title={Experimental Investigation of Anisotropy in Asphalt Concrete}, volume={1929}, ISBN={0309094038}, ISSN={0361-1981 2169-4052}, url={http://dx.doi.org/10.1177/0361198105192900128}, DOI={10.3141/1929-28}, number={1}, journal={Transportation Research Record: Journal of the Transportation Research Board}, publisher={SAGE Publications}, author={Underwood, Shane and Heidari, A. Homayoun and Guddati, Murthy and Kim, Y. Richard}, year={2005}, month={Jan}, pages={238–247} }
 @article{underwood_kim_2003, title={Determination of Depth of Surface Cracks in Asphalt Pavements}, volume={1853}, ISSN={0361-1981 2169-4052}, url={http://dx.doi.org/10.3141/1853-16}, DOI={10.3141/1853-16}, number={1}, journal={Transportation Research Record: Journal of the Transportation Research Board}, publisher={SAGE Publications}, author={Underwood, Shane and Kim, Y. Richard}, year={2003}, month={Jan}, pages={143–149} }