TY - GEN AU - Elizabeth R Hosterman C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1964-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.LCIRC.888r1964 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1964 TI - Letter Circular 888::FURS: general information ER -