TY - GEN AU - Hutchinson, J M R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1960-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.71 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1960 TI - Calibration of five gamma-emitting nuclides for emission rate: ER -