1. Anderson J. A. R. (1983) in Ecosystems of the World, Vol. 4B, Mires: Swamp, Bog, Fen and Moor , The structure and development of the peat swamps of western Malesia, ed Gore A. J. P. (Elsevier, Amsterdam), pp 181–199.
2. Lacustrine-interdeltaic coal in the Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana, U.S.A.;Ayers,1984
3. Depositional environments of Fort Union (Tertiary, Northwest Colorado) and their relation to coal;Beaumont;American Association of Petroleum Geologists Bulletin,1979
4. Brand P. J. Armstrong M. Wilson R. B. (1980) The Carboniferous strata at the Westfield Open-cast Site, Fife, Scotland, Report of the Institute of Geological Sciences, 79/11.
5. Britten R. A. Smyth M. Bennett A. J. R. Shibaoka M. (1975) in Gondwana Geology, Environmental interpretations of Gondwana Coal Measure sequences in the Sydney Basin of New South Wales, ed Campbell K. S. W. (Australian National University Press, Canberra), pp 233–247.