Phytic era (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Phytic era" in English language version.

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Gray, Jane (September 1993). "Major Paleozoic land plant evolutionary bio-events". Palaeogeography, Palaeoclimatology, Palaeoecology. 104 (1–4): 153–169. doi:10.1016/0031-0182(93)90127-5. ISSN 0031-0182.
Sun, G. (1998-11-27). "In Search of the First Flower: A Jurassic Angiosperm, Archaefructus, from Northeast China". Science. 282 (5394): 1692–1695. doi:10.1126/science.282.5394.1692. PMID 9831557.
Labandeira, C. C. (1998-04-03). "PALEOBIOLOGY: Enhanced: How Old Is the Flower and the Fly?". Science. 280 (5360): 57–59. doi:10.1126/science.280.5360.57. ISSN 0036-8075.

Sun, G. (1998-11-27). "In Search of the First Flower: A Jurassic Angiosperm, Archaefructus, from Northeast China". Science. 282 (5394): 1692–1695. doi:10.1126/science.282.5394.1692. PMID 9831557.

Gray, Jane (September 1993). "Major Paleozoic land plant evolutionary bio-events". Palaeogeography, Palaeoclimatology, Palaeoecology. 104 (1–4): 153–169. doi:10.1016/0031-0182(93)90127-5. ISSN 0031-0182.
Traverse, Alfred (1988). Paleopalynology. Unwin Hyman. ISBN 978-0045610013. OCLC 17674795.
W., Gothan (1957). Steinkohlenpflanzen : Leitfaden zum Bestimmen der wichtigsten pflanzlichen fossilen des Palazoikums im rheinisch-westfalischen Steinkohlengebeit. Gluckauf. OCLC 946064909.
Labandeira, C. C. (1998-04-03). "PALEOBIOLOGY: Enhanced: How Old Is the Flower and the Fly?". Science. 280 (5360): 57–59. doi:10.1126/science.280.5360.57. ISSN 0036-8075.