@article{Hemsing2019, author = "Erik Hemsing", title = "{Presentation_1_Minimum Spectral Bandwidth in Echo Seeded Free Electron Lasers.pdf}", year = "2019", month = "3", url = "https://frontiersin.figshare.com/articles/presentation/Presentation_1_Minimum_Spectral_Bandwidth_in_Echo_Seeded_Free_Electron_Lasers_pdf/7880012", doi = "10.3389/fphy.2019.00035.s001" }