TY - GEN AU - Ehrlich, M AU - Pruitt, J S AU - Soares, C G AU - Dick, C E AU - Heaton, H T AU - Schwartz, R B C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1985-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.85-3169 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1985 TI - 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 ER -