TY - RPRT TI - Standard Reference Materials The NIST traceable reference material program for gas standards AU - Dorko, William D AU - Rhoderick, George C AU - Guenther, Franklin R PY - 1996 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 260-126 DO - 10.6028/NIST.SP.260-126 ER -