@inproceedings{im_kim_2014, title={Evaluation of early aggregate retention performance of chip seals with polymer modified emulsions}, DOI={10.1201/b17219-20}, booktitle={Asphalt Pavements, vol 1}, author={Im, J. H. and Kim, Y. R.}, year={2014}, pages={105–114} }
 @article{im_kim_2013, title={Methods for fog seal field test with polymer-modified emulsions development and performance evaluation}, DOI={10.3141/2361-11}, number={2361}, journal={Transportation Research Record}, author={Im, J. H. and Kim, Y. R.}, year={2013}, pages={88–97} }