The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
V. Balandin, W. Decking, and N. Golubeva, “Notes on Steffen Parameters of Extended Fringe-Field Quadrupoles”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper THPMB005, pp. 3226-3228, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-THPMB005, http://jacow.org/ipac2016/papers/thpmb005.pdf, 2016.