TY - GEN AU - Thomas, Joylene W L AU - Branden, Yvonne A AU - Howard, Robbin D C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260e2003 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - NIST Standard Reference Materials catalog February 2003: ER -