TY  - BOOK
AU  - Krouse,H.R.
ED  - University of Calgary
ED  - World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest)
ED  - University of Calgary
TI  - Stable isotope geochemistry of non hydrocarbon constituents of natural gas
U1  - 060-665.5 W938 1979 
ER  -