TY  - RPRT
TI  - Fracture toughness evaluation of quenched-and-tempered bridge steels 
AU  - Interrante, C G
AU  - Hicho, G E
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-293
DO  - 10.6028/NBS.IR.73-293
ER  -