The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M. Tigner, “Energy Recovery Linacs : Past, Present and Future”, in Proc. 56th ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs (ERL'15), Stony Brook, NY, USA, June 2015, paper MOPATH002, pp. 1-0, ISBN: 978-3-95450-183-0, doi:10.18429/JACoW-ERL2015-MOPATH002, http://jacow.org/ERL2015/papers/mopath002.pdf, 2015.