TY  - GEN
AU  - Nakicenovic,Nebojsa
TI  - Energy gases - the methane age and beyond
T2  - U. S. Geological Survey Professional paper, 1570
KW  - Gaz
KW  - Méthane
KW  - Energie
KW  - Energie pétrolière
KW  - Charbon
N1  - bibliogr. p. 675
ER  -