TY - GEN AU - Donna B Klinedinst AU - R Michael Verkouteren C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-149 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - Standard Reference Materials ::Value assignment and uncertainty estimation of selected light stable isotope reference materials / ER -