Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons for the R3B Collaboration, M. Röder, Z. Elekes, T. Aumann, D. Bemmerer, K. Boretzky, C. Caesar, T. E. Cowan, J. Hehner, M. Heil et al. (11 more) Eur. Phys. J. A, 50 7 (2014) 112 Published online: 16 July 2014 DOI: 10.1140/epja/i2014-14112-0