The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
Y.S. Li, K. Kim, and R.R. Lindberg, “Optimization of the Transverse Gradient Undulator (TGU) for Application in a Storage Ring Based XFELO”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 131-133. doi:10.18429/JACoW-FEL2019-TUP037