TY - GEN AU - Georgia Harris C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2019-05-07 DO - https://doi.org/10.6028/NIST.IR.6969-2019 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2019 TI - NISTIR 6969, Selected Laboratory and Measurement Practices and Procedures to Support Basic Mass Calibrations (2019 Edition) ER -