TY  - BOOK
ED  - Organization of the Petroleum Exporting Countries, OPEC
TI  - Energy and oil statistics : first quarter
U1  - AV-CD 
PY  - 2011///
CY  - s.l.
PB  - OPEC
KW  - PETROLEO
KW  - ESTADISTICA
N1  - 0074
ER  -