TY - GEN AU - Early, J G AU - Interrante, C G C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-2039 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Report no. 10 ::a metallurgical evaluation of two AAR M128 steel car head plates used in switchyard impact tests ER -