TY - GEN AU - James L Thomas C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1948-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CIRC.470 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1948 TI - Circular of the Bureau of Standards no. 470::precision resistors and their measurement ER -