Ehrlich, M.
, Pruitt, J.
, Soares, C.
, Dick, C.
, Heaton, H.
and Schwartz, R.
(1985),
Standard beta-particle and monenergetic electron sources for the calibration of beta-radiation protection instrumentation ::jointly sponsored by the U. S. Nuclear Regulatory Commission and the U. S. Department of Commerce, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.85-3169
(Accessed November 8, 2024)