Sherwood Lollar, B.; Westgate, T.D.; Ward, J.D.; Slater, G.F.; Lacrampe-Couloume, G. (2002). "Abiogenic formation of alkanes in the Earth's crust as a minor source for global hydrocarbon reservoirs". Nature. 446 (6880): 522–524. Bibcode:2002Natur.416..522S. doi:10.1038/416522a. PMID11932741.
Sherwood Lollar, B.; Westgate, T.D.; Ward, J.D.; Slater, G.F.; Lacrampe-Couloume, G. (2002). "Abiogenic formation of alkanes in the Earth's crust as a minor source for global hydrocarbon reservoirs". Nature. 446 (6880): 522–524. Bibcode:2002Natur.416..522S. doi:10.1038/416522a. PMID11932741.
Sherwood Lollar, B.; Westgate, T.D.; Ward, J.D.; Slater, G.F.; Lacrampe-Couloume, G. (2002). "Abiogenic formation of alkanes in the Earth's crust as a minor source for global hydrocarbon reservoirs". Nature. 446 (6880): 522–524. Bibcode:2002Natur.416..522S. doi:10.1038/416522a. PMID11932741.