TY - GEN AU - Stratton, S W C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1912-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CIRC.2e4 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1912 TI - Circular of the Bureau of Standards no. 2 4th edition::measurements of length and area, including thermal expansion ER -