TY  - BOOK
ED  - American Welding Society.
ED  - American Welding Society.
ED  - American Welding Society.
TI  - Tentative standard qualification procedure
U1  - 671.52 
PY  - 1941///
CY  - New York
PB  - American Welding Society
KW  - Welding
KW  - Standards
KW  - MCE
N1  - Cover-title
ER  -