The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
S. Sasaki, N. Kawata, T. Mitsuyasu, A. Miyamoto, and S. Qiao, “Possibility for Quasi-periodic Knot-APPLE Undulator”, in Proc. 5th Int. Particle Accelerator Conf. (IPAC'14), Dresden, Germany, June 2014, pp. 2026-2028, doi:10.18429/JACoW-IPAC2014-WEPRO038