TY  - GEN
AU  - ANderson,Keith
TI  - Natural gas and the role of competition in the United States
T2  - U. S. Geological Survey Professional paper, 1570
KW  - Gaz naturel
KW  - Analyse gaz
KW  - Marche
KW  - Demande marche
KW  - Dépense énergétique
KW  - Etats Unis
ER  -