●   Wasserfallen A, Nölling J, Pfister P, Reeve J, Conway de Macario E (2000). Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int. J. Syst. Evol. Microbiol. 50, 43-53.
●   Zeikus JG,Wolfe RS (1972). Methanobacterium thermoautotrophicus sp. n., an anaerobic, autotrophic, extreme thermophile. J. Bacteriol. 109, 707-15.
●   Touzel JP,De Mcario EC,Nölling J,De Vos WM,Zhilina T,Lysenko AM (1992). DNA Relatedness among Some Thermophilic Members of the Genus Methanobacterium: Emendation of the Species Methanobacterium thermoautotrophicum and Rejection of Methanobacterium thermoformicicum as a Synonym of Methanobacterium thermoautotrophicum. Int. J. Syst. Bacteriol. 42, 408-11.
●   Kotelnikova SV,Obraztsova AY,Blotevogel KH,Popov IN (1993). Taxonomic analysis of thermophilic strains of the genus Methanobacterium: reclassification of Methanobacterium thermoalcaliphilum as a synonym of Methanobacterium thermoautotrophicum. Int. J. Syst. Bacteriol. 43, 591-596.
●   Blotevogel KH,Fischer U,Mocha M,Jannsen S (1985). Methanobacterium thermoalcaliphilum spec. nov., a new moderately alkaliphilic and thermophilic autotrophic methanogen. Arch. Microbiol. 142, 211-217.