The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
W. Koprek et al., “Status of the Transverse Intra Bunch Train Feedback of the European XFEL”, presented at the 6th Int. Beam Instrumentation Conf. (IBIC'17), Grand Rapids, MI, USA, Aug. 2017, paper TU3AB2, unpublished.