TY - RPRT TI - National Measurement Laboratory Office of Measurements for Nuclear Technology : annual Report 1980 AU - Hoffman, John D AU - Yokan, H Thomas PY - 1981 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 81-2205 DO - 10.6028/NBS.IR.81-2205 ER -