TY - GEN AU - R Verkouteren AU - D Klinedinst C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-12-01 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - Value Assignment and Uncertainty Estimation of Selected Light Stable Isotope Reference Materials: RMs 8543-8545, RMs 8562-8564, and RM 8566 ER -