● Collins MD,Lawson PA,Willems A,Cordoba JJ,Fernandez-Garayzabal J,Garcia P,Cai J,Hippe H,Farrow JA (1994). The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int. J. Syst. Bacteriol.44, 812-26. ● Wiegel J,Braun M,Gottschalk G (1981). Clostridium thermoautotrophicum species novum, a thermophile producing acetate from molecular hydrogen and carbon dioxide. Curr. Microbiol.5, 255-60.