TY - GEN AU - Montgomery, Regina R. AU - Sauerwein, Joan C. C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2013-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-176 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2013 TI - Standard Reference Materials Catalog: ER -