TY  - RPRT
TI  - The future of energy gases
AU  - Peter J. McCabe
AU  - Donald L. Gautier
AU  - Michael D. Lewan
AU  - Christine Turner
PY  - 1993
DO  - 10.3133/cir1115
UR  - https://pubs.usgs.gov/publication/cir1115
ID  - cir1115
ER  -