● Imhoff JF (2003). Phylogenetic taxonomy of the family Chlorobiaceae on the basis of 16S rRNA and fmo (Fenna-Matthews-Olson protein) gene sequences. Int. J. Syst. Evol. Microbiol.53, 941-51. ● Gorlenko VM,Chebotarev EN,Kachalkin VI (1974). Participation of microorganisms in sulfur turnover in Pomiaretzkoe Lake. Mikrobiologiya43, 908-914.