Dataset referencing 1999HE10
Nucl.Instrum.Methods Phys.Res. A422, 525 (1999)
R.G.Helmer, C.van der Leun
Recommended Standards for γ-Ray Energy Calibration
COMPILATION A=7-241; compiled, evaluated Eγ from several sources; deduced recommended γ calibration standards.
doi: 10.1016/S0168-9002(98)01079-1