Catling, D. C. (2001-08-03). "Biogenic Methane, Hydrogen Escape, and the Irreversible Oxidation of Early Earth". Science293 (5531): 839–843. doi:10.1126/science.1061976. பப்மெட்:11486082.
Parkin, Alison (2014). "Chapter 5. Understanding and Harnessing Hydrogenases, Biological Dihydrogen Catalysts". In Peter M.H. Kroneck and Martha E. Sosa Torres (ed.). The Metal-Driven Biogeochemistry of Gaseous Compounds in the Environment. Metal Ions in Life Sciences. Vol. 14. Springer. pp. 99–124. எண்ணிம ஆவணச் சுட்டி:10.1007/978-94-017-9269-1_5. பன்னாட்டுத் தரப்புத்தக எண்978-94-017-9268-4. PMID25416392.
nih.gov
ncbi.nlm.nih.gov
Catling, D. C. (2001-08-03). "Biogenic Methane, Hydrogen Escape, and the Irreversible Oxidation of Early Earth". Science293 (5531): 839–843. doi:10.1126/science.1061976. பப்மெட்:11486082.
Parkin, Alison (2014). "Chapter 5. Understanding and Harnessing Hydrogenases, Biological Dihydrogen Catalysts". In Peter M.H. Kroneck and Martha E. Sosa Torres (ed.). The Metal-Driven Biogeochemistry of Gaseous Compounds in the Environment. Metal Ions in Life Sciences. Vol. 14. Springer. pp. 99–124. எண்ணிம ஆவணச் சுட்டி:10.1007/978-94-017-9269-1_5. பன்னாட்டுத் தரப்புத்தக எண்978-94-017-9268-4. PMID25416392.