Experiments with neutron induced neutron emission from U-235, Pu-239, and graphite Yaron Danon, Ezekiel Blain, Kumar Mohindroo, Matt Devlin, Keegan J.Kelly, Jaime Gomez and John O'Donnell EPJ Web Conf., 239 (2020) 01004 Published online: 30 September 2020 DOI: 10.1051/epjconf/202023901004