The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
A. Vostrikov, A. Grassellino, L. Horyn, Y.K. Kim, T. Murat, A. Romanenko, and A. Vostrikov, "Modifications of Superconducting Properties of Niobium Caused by Nitrogen Doping of Ultra-High Quality Factor Cavities", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper MOPB027, pp. 144-148, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-MOPB027, http://srf2015.vrws.de/papers/mopb027.pdf, 2015.