1. The Gunflint microbiota;Awramik;Precambrian Res.,1977
2. Microorganisms from the Gunflint chert;Barghoorn;Science,1965
3. Research of Sinian Suberathem of Jixian, Tienjin;Chen,1980
4. Organisms that build stromatolites;Golubic,1976
5. Taxonomy of extant stromatolite building organisms;Golubic,1976