TY - GEN AU - Stephen Nightingale AU - Erica Johnson AU - Timothy Winters C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2009-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.500-273v2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2009 TI - USGv6 test methods ::general description and validation-version 2.0 ER -