G., Clayton, R., Coquel, J., Doubinger, K. J., Gueinn, S., Loboziak, B., Owens and M., Streel: Carboniferous Miospores of Western Europe: illustration and zonationMededRijks geolDienst, 29, 71 pp., 1977.
C. J., Cleal: The Westphalian D floral biostratigraphy of Saarland (Fed. Rep. Germany) and a comparison with that of South Wales, Geol. J., 19, 327-351, 1984.
J. A., Clendening: Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin, Part II, Coal Geol. Bull., 107-1974.
E., Dix: The Sequence of Floras in the Upper Carboniferous, with special reference to South Wales, Trans. R. Soc. Edinb., 57, 789-838, 1934.
M., Donsimoni: Le bassin houiller lorrain: synthèse géologique, Mém. Bur. Rech, géol min., 117, 99-1981.
H., Grebe: Die Verbreitung der Mikrosporen in Ruhr Karbon von den Bochumer Schichten bis zu den Dorstener Schichten (Westfal A–C), Palaeontographica, 140B, 27-115, 1972.
P. A., Hacquebard: Palynological studies of some Upper and Lower Carboniferous strata in Nova Scotia3rd ConfOrigin and ConstCoal, Nova Scotia (1956), 227–256., 1961.
R. D., Harvey and J. W., Dillon: Maceral distributions in Illinois coals and their paleoenvironmental implications
In (Eds), Paleoclimatic Controls on Coal Resources of the Pennsylvanian System of North AmericaIntJCoal Geol., 5, 230 pp., 1985.
J. M., Jones, A., Davis, A. C., Cook, D. G., Murchison and E., Scott: Provincialism and correlations between some properties of vitrinites, Int. J. Coal Geol., 3, 315-331, 1984.
R. M., Kosanke: Pennsylvanian spores of Illinois and their use in correlation, Ill. State. Geol. Surv. Bull., 74, 128-1950.
S., Loboziak: Les micro- et mègaspores de la partie occidentale du bassin houiller du Nord de la France, Palaeontographica, 132B, 127-1971.
G. K. B., Navale: Palynological studies of Merlebach coals in conjunction with petrographic structure, Palaeobotanist, 12, 232-249, 1964.
R. A., Peppers: Spores in strata of the Late Pennsylvanian cyclothems in the Illinois Basin, Ill. State Geol. Surv. Bull., 90, 89-1964.
R. A., Peppers: Correlation and palynology of coals in the Carbondale and Spoon formations (Pennsylvanian) of the north eastern part of the Illinois Basin, Ill. State Geol. Surv. Bull., 93, 173-1970.
R. A., Peppers: Comparison of Miospore Assemblages in the Pennsylvanian System of the Illinois Basin with those in the Upper Carboniferous of Western Europe, C.R. Cong. Strat. Géol. carbon., 2, 483-502, 1985.
T. L., Phillips and R. A., Peppers: Changing patterns of Pennsylvanian coal-swamp vegetation and implications of climatic control on coal occurrence, Int. J. Coal Geol., 3, 205-255, 1984.
T. L., Phillips, R. A., Peppers, M. J., Avcin and P. F., Laughnan: Fossil Plants and Coal: Patterns of change in Pennsylvanian coal swamps of the Illinois Basin, Science, 184, 1367-1369, 1974.
E. G., Poole: The Stratigraphy of the Geological Survey Apley Barn Borehole, Witney, Oxfordshire, Bull geol. Surv. G.B., 104-1969.
E. G., Poole: Stratigraphy of the Steeple Aston Borehole, Oxfordshire, Bull. geol. Surv. G.B., 85-1977.
E. G., Poole: Stratigraphy of the Withycombe Farm Borehole, near Banbury, Oxfordshire, Bull. geol. Surv. G.B., 63-1978.
W. H. C., Ramsbottom, M. A., Calven, R. M. C., Eagen, F., Hodson, D. W., Holiday, C. J., Stubblefield and R. B., Wilson: A Correlation of Silesian Rocks in the British Isles, Geol. Soc. Lond, 82-1978.
A. H. V., Smith: The Palaeoecology of Carboniferous Peats based on the Miospores and Petrography of Bituminous Coals, Proc. Yorks, geol. Soc., 33, 423-474, 1962.
A. H. V., Smith: Zur Petrologie und Palynologie der Kohlenfloze des Karbons und ihrer Begleitschichten, Fortschr. Geol. Rheinl. Westfal., 12, 285-302, 1964.
Y., Somers: Etude palynologique du Westphalian du Bassin de Campine el Révision du genre LycosporaPh.DThesis, UnivLiège, 214 pp., 1971.
W. B., Styan and R. M., Bustin: Petrography of some Fraser River Delta peat deposits: coal maceral and microlithotype precursors in temperate-climate peats, Int. J. Coal. Geol., 2, 321-370, 1983a.
W. B., Styan and R. M., Bustin: Sedimentology of Fraser River Delta peat deposits: a modern analogue for some deltaic coals, Int. J. Coal. Geol., 3, 101-143, 1983b.