Dickens, GR; Paull CK; Wallace P (1997). "Direct measurement of in situ methane quantities in a large gas-hydrate reservoir". Nature. 385 (6615): 426–428. Bibcode:1997Natur.385..426D. doi:10.1038/385426a0.
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Dickens, GR; Paull CK; Wallace P (1997). "Direct measurement of in situ methane quantities in a large gas-hydrate reservoir". Nature. 385 (6615): 426–428. Bibcode:1997Natur.385..426D. doi:10.1038/385426a0.