TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Preparation and testing of foamed cement formulations at atmospheric pressure: API Recommended practice 10B-4
U1  - Caja 6 
PY  - 2015///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -