The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
V.V. Kubarev, S. Bae, Ya.V. Getmanov, Y.U. Jeong, and O.A. Shevchenko, “Fine and Hyperfine Structure of FEL Emission Spectra”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 276-281. doi:10.18429/JACoW-FEL2019-TUD03