TY - RPRT TI - Technical activities 1980 : Center for Analytical Chemistry AU - Reimann, C W AU - Velapoldi, R A AU - Hagan, L B AU - Taylor, J K PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-2164 DO - 10.6028/NBS.IR.80-2164 ER -