TY  - BOOK
AU  - Westbrook,J.H.
AU  - Conrad, Hans,
ED  - American Society for Metals
TI  - The science of hardness testing and its research applications
AV  - TA418.42 W48
PY  - 1973///
CY  - Ohio
PB  - American society for metals
KW  - Dureza
KW  - Pruebas
ER  -