TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Specification for marine drilling riser couplings: API Specification 16R
U1  - Caja 10 A 
PY  - 1997///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -