Yunpei  Deng, Zeng, Zhinan , Komm, Pavel , Zheng, Yinghui , Helml, Wolfram , Xie, Xinhua , Filus, Zoltan , Dumergue, Mathieu , Flender, Roland , Kurucz, Máté , Haizer, Ludovit , Kiss, Balint , Kahaly, Subhendu , Li, Ruxin , and Marcus, Gilad . 2020. ?Laser-Induced Inner-Shell Excitations Through Direct Electron Re-Collision Versus Indirect Collision?. Opt. Express, 28, Pp. 23251?23265. doi:10.1364/OE.395927.