@article{Kumar2013, author = "Sandeep Kumar and Heung-Sik Kang and Dong Eon Kim", title = "{(a) The longitudinal energy spread of the e-bunch}", year = "2013", month = "8", url = "https://iop.figshare.com/articles/figure/_a_The_longitudinal_energy_spread_of_the_e_bunch/1012353", doi = "10.6084/m9.figshare.1012353.v1" }