TY  - BOOK
ED  - International Gas Union, IGU
TI  - Commercial and technical aspects of natural gas contracts
U1  - 340 I249 0002386 
PY  - 1976///
CY  - [s.l.]
PB  - International Gas Union, IGU
KW  - LegislaciÃ³n energÃ©tica
KW  - Contratos
ER  -