TY - GEN AU - Harry L Rook AU - James E Suddueth AU - Donald A Becker C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-502 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - The determination of iodine-129 at natural levels using neutron activation and isotopic separation: ER -