O. T., Dawson: Depositional and diagenetic fabrics of Permian limestone, from Saraburi, central Thailand, Proceedings of the Third Regional Conference on Geology and Mineral Resources, Bankok, November, 1978, 47-60, 1978a.
O., Dawson and A., Racey: Fusuline and calcareous algal palaeoecology of the Permian carbonates from Saraburi, central Thailand, Ibid.
D. C., Edwards and R., Riding: Permian Reefs: Aragonite cement or neomorphosed algal skeleton?, Ninth IAS Regional Meeting on Sedimentology, Leuven, 1988, 50-51, 1988.
R., Endo: Fossil algae from Khao Phlong Phrab district in Thailand, Geology and Palaeontology of Southeast Asia, 7, 33-87, 1969.
E., Flügel: Lower Permian
Tubiphytes/Archaeolithoporella buildups in the Southern Alps (Austria and Italy)
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E., Flügel: Diversity and environments of Permian and Triassic dasycladacean algae
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E., Flügel, E., Flügel-Kahler, J. M., Martin and H., Martin-Algara: Middle Triassic reef from southern Spain, Facies, 11, 173-218, 1984.
H., Fontaine, D., Vachard, N., Tien and C., Vozenin-Serra: Permian System in Southeast Asia, Technical Bulletin of the United Nations ESCAP CCOP, 18, 1-172, 1986.
L., Guo and R., Riding: Late Permian reefs, Sichuan, China, Ninth IAS Regional Meeting on Sedimentology, Leuven, 1988, 88-1988.
D., Helmcke: The orogenic evolution (Permian-Triassic) of central Thailand: Implication on paleogeographic models for mainland Southeast AsiaMémoires de la Société Géologique de France, n.s147, 83–91., 1984.
D., Helmcke and C., Kraikhong: On the geosynclinal and orogenic evolution of central and northeastern Thailand, Journal of the Geological Society of Thailand, 5, 52-74, 1982.
D., Helmcke, K., Weber, R., Ingavat and N., Nakornsri: Orogenic evolution of N.EThailand during the Upper Paleozoic-TriassicProceedings of the Conference on Geological and Mineral Resource Development, Northeast Thailand, Khon Khan University, 41–55., 1985.
H., Igo: Fusulinacean fossils from Thailand, Part 6: Fusulinacean fossils from north Thailand, Geology and Paleontology of Southeast Asia, 10, 63-1166, 1972.
H., Igo, S., Rajah and F., Kobayashi: Permian fusulinaceans from the Sungei Sedili Area, Johore, Malaysia, Ibid, 20, 95-118, 1979.
R., Ingavat: On the correlation of the Permian foraminiferal fauna of the western, central, and eastern provinces of ThailandMémoires de la Société Géologique de France, n.s147, 93–100., 1984.
R., Ingavat: Evolution and extinction of the Permian fusulinacean faunas of ThailandGeological and Mineral Resources of Thailand, Annual Technical Meeting, Chaing Mai University, 1–11., 1988.
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R., Ingavat-Helmcke and D., Helmcke: Permian fusulinacean fauna of Thailand - event controlled evolution
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K., Kanmera and T., Mikami: Fusuline zonation of Lower Permian Zukamatzawa Series, Memoir of the Faculty of Science, Kyushu University, (D), 16, 275-320, 1965.
K., Kanmera and R., Toriyama: Fusulinacean fossils from Thailand, Part 3:
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E. Ya., Leven: Permian Tethys stage scale and correlation of section of the Mediterranean-Alpine folded belt, IGCP Project 5 Newsletter, 3, 100-112, 1981.
T., Ozawa: Notes on the phylogeny and classification of the Superfamily Verbeekinoidea (Study of the Permian verbeekinoid, part 1), Memoir of the Faculty of Science, Kyushu University, (D), 20, 17-58, 1970a.
T., Ozawa: Variation and relation growth of
Colania douvillei (Ozawa) from the Ratburi Limestone, Geology and Palaeontology of Southeast Asia, 8, 19-41, 1970b.
K., Pitakpaivan: Fusulinacean fossils from Thailand, Part 1: Fusulinids of the Ratburi Limestone of Thailand, Memoir of the Faculty of Science, Kyushu University, (D), 23, 117-165, 1965.
C. A., Ross: Evolution and ecological significance of large calcareous Foraminiferida (Protozoa)Proceedings of the Second International Coral Reef Symposium, Great Barrier Reef Committee, Brisbane, 327–333., 1974.
C. A., Ross: Evolution of fusulinacean (Protozoa) in Late Palaeozoic space and time
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O. T., Tittirananda: Aspects of Stratigraphy and Palaeontology of the Permian Ratburi limestone of Saraburi, central ThailandPh.DThesis, University of London190pp[Unpublished]., 1976.
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R., Toriyama: On some fusulinids from Northern Thailand, Japanese Journal of Geology and Geography, 9, 234-247, 1944.
R., Toriyama: Fusuline fossils from Thailand, Part 9: Permian fusulines from Ratburi Limestone in Khao Phlong Phrab area, Saraburi, central Thailand, Geology and Paleontology of Southeast Asia, 17, 1-116, 1976.
R., Toriyama: Fusuline fossils from Thailand, Part 11: Shell destruction of verbeekinids in the fusuline fauna from Khao Khao, Saraburi, central Thailand, Ibid, 19, 29-33, 1978.
R., Toriyama: Summary of the fusuline faunas in Thailand and Malaysia and its equivalents, Ibid, 25, 137-146, 1984.
R., Toriyama, K., Kanmera, S., Kaewbaidhoam and A., Hongnusonthi: Biostratigraphic zonation of the Ratburi Limestone in the Khao Phlong Phrab area, Saraburi, central Thailand, Ibid, 14, 25-48, 1974.
R., Toriyama and K., Kanmera: Fusuline fossils from Thailand, Part 10: The Permian fusulines from the Limestone Conglomerate Formation in the Khao Phlong Phrab area, Saraburi, Ibid, 18, 1-27, 1977.
R., Toriyama and K., Kanmera: Fusuline fossils from Thailand, Part 12: Fusulines from the Ratburi Limestone in the Khao Khao area, Saraburi, central Thailand, Ibid, 20, 23-93, 1979.
R., Toriyama: The Carboniferous and Permian systems in Thailand and Malaysia, Ibid, 15, 39-76, 1975.
R., Toriyama and K., Pitakpaivan: Fusulinacean fossils from Thailand, Part 7: Middle Permian fusulines from Wat Kirinakratanaram, central Thailand, Ibid., 12, 43-61, 1973.
R., Toriyama, K., Pitakpaivan and R., Ingavat: The paleogeographic characteristics of fusuline faunas of the Ratburi Group in Thailand and its equivalents in Malaysia
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D., Vachard: Téthys et Gondwana au Paleozoique superieur: les donnees afghanesBiostratigraphie, micropaléontologie, paleogeographieDocuments et Travail IGAL, Paris, 1–463., 1990a.
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G. P., Wahlam: Lower Permian (Wolfcampian)
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C. C., Wielchowsky and J. D., Young: Regional facies variation in Permian rocks of the Phetchabun fold and thrust belt, ThailandProceedings of the Conference on Geology and Mineral Resources, Northeast Thailand, Khon Khan University, 41–55., 1985.
R., Winkel, R., Ingavat and D., Helmcke: Facies and stratigraphy of the Lower-lower Middle Permian strata of the Phetchabun fold-belt in central Thailand, Proceedings of the Workshop on Stratigraphic Correlation of Thailand and Malaysia, 1, 293-306, 1983.