TY - GEN AU - W Robert Kelly AU - Bruce S MacDonald AU - Stefan D Leigh C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2007-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-167 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2007 TI - A method for the preparation of NIST traceable fossil fuel standards with concentrations intermediate to SRM values: ER -