TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Effects of smooth and rock dents on liquid petroleum pipelines: API Publication 1156
U1  - 660.061.3 A512 1156 0014362 
PY  - 1997///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -