The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
N. Golubeva, V. Balandin, W. Decking, L. Fröhlich, and M. Scholz, “Steffen Hard-Edge Model for Quadrupoles with Extended Fringe-Fields at the European XFEL”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 588-591. doi:10.18429/JACoW-FEL2019-THP001