@article{borden_shao_gupta_1998, title={Dynamic properties of Piedmont residual soil - Closure}, volume={124}, DOI={10.1061/(ASCE)1090-0241(1998)124:6(554)}, number={6}, journal={Journal of Geotechnical and Geoenvironmental Engineering}, author={Borden, R. H. and Shao, L. S. and Gupta, A.}, year={1998}, pages={554–555} }
 @inbook{shao_park_kim_1997, title={A simplified procedure for prediction of asphalt pavement subsurface temperatures based on heat transfer theories}, ISBN={0309059747}, DOI={10.3141/1568-14}, number={1568}, booktitle={Pavement rehabilitation and design}, publisher={Washington, DC: National Academy Press}, author={Shao, L. and Park, S. and Kim, Y. R.}, year={1997}, pages={114–123} }