Characterization of NIS neutron irradiation facility for calibration and metrological applicationAhmed R. El-Sersy, Eman A. Sayed, Salwa H. Nagib, Reham Hamdy Bakr and Randa M.M. MahmoudInt. J. Metrol. Qual. Eng., 12 (2021) 9DOI: https://doi.org/10.1051/ijmqe/2021007