[German norms. Neutron dosimetry. Concepts and nomenclature. DIN 6802, page 1].
D005860:Germany, West; D009502:Neutrons; D011874:Radiometry / Q000592:standards*; D009626:Terminology as Topic
Deutsche Normen. Neutronendisometrie. Begriffe und Benennungen. DIN 6802, Blatt 1