TY - RPRT TI - Dynamic mechanical properties of two AAR M128 and one ASTM A212-B steel tank car head plates AU - Early, J G AU - Interrante, C G AU - Low, S R, III AU - Fields, B A PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 88-3690 DO - 10.6028/NBS.IR.88-3690 ER -