The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
C.N. Regier, "The CLS SRF Cryogenic System Upgrade", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper TUPB006, pp. 539-543, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-TUPB006, http://srf2015.vrws.de/papers/tupb006.pdf, 2015.