Statistical uncertainty in quantitative neutron radiographyFlorian M. Piegsa, Anders Kaestner, Aldo Antognini, Andreas Eggenberger, Klaus Kirch and Gunther WichmannEur. Phys. J. Appl. Phys., 78 1 (2017) 10702DOI: https://doi.org/10.1051/epjap/2017160336