Walter, M.; Hofmann, H. (1983). The Palaeontology and Palaeoecology of Precambrian Iron-Formations. pp. 373-400 in AF Trendall and RC Morris (eds): Iron Formation: Facts and Problems (Developments in Precambrian Geology) (Volume 6). Elsevier.
The Palaeontology and Palaeoecology of Precambrian Iron-Formations. pp. 373-400 in AF Trendall and RC Morris (eds): Iron Formation: Facts and Problems (Developments in Precambrian Geology) (Volume 6). Elsevier