TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practices for evaluating short term proppant pack conductivity: API recommended practice 61 (RP 61)
U1  - Caja 12 
PY  - 1989///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
N1  - En lista de Out of print en catálogo API 2003 (dada de baja)
ER  -