TY - GEN AU - Burns, C E AU - Gills, T E AU - Roelandts, I AU - Gladney, E S C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1984-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.260-88 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1984 TI - Standard Reference Materials:1982 compilation of elemental concentration data for NBS biological, geological, and environmental standard reference materials ER -