The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
F. Zimmermann, R. Aleksan, A. Apyan, and Y. Papaphilippou, “Scenarios for Circular Gamma-Gamma Higgs Factories”, in Proc. 6th Int. Particle Accelerator Conf. (IPAC'15), Richmond, VA, USA, May 2015, pp. 2156-2159, doi:10.18429/JACoW-IPAC2015-TUPTY057