TY - GEN AU - Greifer, Bernard AU - Taylor, John K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-209 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - Survey of various approaches to the chemical analysis of environmentally important materials: ER -