TY  - BOOK
AU  - Unterweiser, Paul M.
ED  - American Society for Metals
TI  - Worldwide guide to equivalent irons and steels
SN  - 0871700883
AV  - TA478 A53
PY  - 1979///
CY  - Metals park, ohio
PB  - American society for metals
KW  - Aleaciones de acero
KW  - Manuales
ER  -