TY - GEN AU - Romanoff, Melvin C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CIRC.579 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Circular of the Bureau of Standards no. 579::underground corrosion ER -