Buth, C., Liu, J.-C., Chen, M. H., Cryan, J. P., Fang, L., Glownia, J. M., Hoener, M., Coffee, R. N., & Berrah, N. (2012). Ultrafast absorption of intense x rays by nitrogen molecules. The Journal of Chemical Physics, 136(21):, pp. 1-14. doi:10.1063/1.4722756.