TY - GEN AU - George Wood Vinal C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1920-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CIRC.92 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1920 TI - Circular of the Bureau of Standards no. 92::operation and care of vehicle-type batteries ER -