@article{Kim_Choi_2018, title={Ricochet of Spheres on Sand of Various Temperature}, volume={68}, url={https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/11846}, DOI={10.14429/dsj.68.11846}, number={2}, journal={Defence Science Journal}, author={Kim, Yoon Keon and Choi, Woo Chun}, year={2018}, month={Mar.}, pages={150-158} }