TY - GEN AU - Heinrich, Kurt F J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1972-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.582 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1972 TI - Activities of the NBS spectrochemical analysis section July 1970 to June 1971: ER -