Absolute and relative cross section measurements of 237Np(n,f) and 238U(n,f) at the National Physical LaboratoryPaula Salvador-Castiñeira, Franz-Josef Hambsch, Alf Göök, Marzio Vidali, Nigel P. Hawkes, Neil J. Roberts, Graeme C. Taylor and David J. ThomasEPJ Web Conf., 146 (2017) 04050DOI: https://doi.org/10.1051/epjconf/201714604050