TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Use of 9Cr-1Mo-V (grade91) steel in the oil refining industry: API Technical Report 938-B
U1  - 660.061.3 A512 938-B 0015019 
PY  - 2008///
CY  - Washington
PB  - American Petroleum Institute, API
ER  -