TY - GEN AU - Pollard, Rolla E AU - Porter, Wilbur C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1938-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.BMS.8 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1938 TI - Methods of investigation of surface treatment for corrosion protection of steel: ER -