Johnson, S. A.; Glover, B. W.; Turner, P. (July 1997). "Multiphase reddening and weathering events in Upper Carboniferous red beds from the English West Midlands". Journal of the Geological Society. 154 (4): 735–745. Bibcode:1997JGSoc.154..735J. doi:10.1144/gsjgs.154.4.0735. S2CID129359697.
Johnson, S. A.; Glover, B. W.; Turner, P. (July 1997). "Multiphase reddening and weathering events in Upper Carboniferous red beds from the English West Midlands". Journal of the Geological Society. 154 (4): 735–745. Bibcode:1997JGSoc.154..735J. doi:10.1144/gsjgs.154.4.0735. S2CID129359697.
Mücke, Arno (1994). "Chapter 11 Part I. Postdiagenetic Ferruginization of Sedimentary Rocks (Sandstones, Oolitic Ironstones, Kaolins and Bauxites) — Including a Comparative Study of The Reddening of Red Beds". Developments in Sedimentology. 51: 361–395. doi:10.1016/S0070-4571(08)70444-8. ISBN9780444885173.{{cite journal}}: CS1 maint: periodical has ISBN (link)
Johnson, S. A.; Glover, B. W.; Turner, P. (July 1997). "Multiphase reddening and weathering events in Upper Carboniferous red beds from the English West Midlands". Journal of the Geological Society. 154 (4): 735–745. Bibcode:1997JGSoc.154..735J. doi:10.1144/gsjgs.154.4.0735. S2CID129359697.