TY - GEN AU - B M Levin C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10349 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Alternative plans for a center for law-enforcement equipment user standards: ER -