Landsman, Alexandra Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
http://www.mdpi.com/2076-3417/7/6/614/htm (Publisher version)
Kumar, S., Landsman, A., & Kim, D. E. (2017). Terawatt-Isolated Attosecond X-ray Pulse Using a Tapered X-ray Free Electron Laser. Applied Sciences, 7(6): 614. doi:10.3390/app7060614.