TY - RPRT TI - NIST Standard Reference Materials catalog January 2004 AU - Thomas, Joylene W L AU - Branden, Yvonne A AU - Howard, Robbin D PY - 2004 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 260e2004 DO - 10.6028/NIST.SP.260e2004 ER -