TY - GEN AU - Daniel V De Simone C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.345-3 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - U.S. metric study interim report - commercial weights and measures: ER -