TY  - BOOK
ED  - ORGANIZATION OF THE PETROLEUM EXPORTING COUNTRIES
TI  - INFORMATION BOOKLET
U1  - 658.1512 
PY  - 1977///
CY  - Austria
PB  - OPEC
KW  - INFORMACION
KW  - ORGANIZACION
N1  - NO ES LIBRO, ES FOLLETO
ER  -