TY - RPRT TI - Evaluation of new portable x-ray fluorescent lead analyzers for measuring lead in paint AU - Cramp, A Philip AU - Berger, Harvey W PY - 1978 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 78-1466 DO - 10.6028/NBS.IR.78-1466 ER -