TY - GEN AU - E S Gladney AU - B T O'Malley AU - I Roelandts AU - T E Gills C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1987-11-01 05:11:00 DO - https://doi.org/10.6028/NBS.SP.260-111 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1987 TI - Compilation of elemental concentration data for NBS clinical, biological, geological, and environmental Standard Reference Materials: ER -