An absolute measurement of the neutron production rate of a spent nuclear fuel sample used for depletion code validation oleh Peter Schillebeeckx, M. Verwerft, P. Romojaro, G. Žerovnik, N. Messaoudi, G. Alaerts, L. Fiorito, K. Govers, J. Paepen, Y. Parthoens, B. Pedersen, A. Stankovskiy, G. Van den Eynde, R. Wynants