TY  - BOOK
AU  - Salazar,A.
ED  - PDVSA
ED  - World Petroleum Congress (14th : 1994 : Stavanger)
ED  - PDVSA
TI  - Analysis and assessment of codes of environmental conduct
U1  - 060-665.5 W938 1994 
N1  - Incluido en : Block VI-Environmental
ER  -