RISE OF FIRST LAND PLANTS

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[51] LEMOIGNE Y, 1968, CR ACAD SCI D NAT, V266, P1655

[52] PROBABLE FERTILE REGION OF ASTEROXYLON MACKIEI K + L [J]. NATURE, 1964, 203 (494) : 1082 - &

[53] MCGREGOR D C, 1967, Review of Palaeobotany and Palynology, V1, P173, DOI 10.1016/0034-6667(67)90119-4

[54] MERCKER H, 1959, BOT NOTISER, V112, P441

[55] MERCKER H, 1958, BOT NOTISER, V111, P608

[56] MORTIMER M G, 1967, Review of Palaeobotany and Palynology, V1, P95, DOI 10.1016/0034-6667(67)90113-3

[57] MULLER JAN, 1959, MICROPALEONTOLOGY, V5, P1, DOI 10.2307/1484153

[58] Obrehl J., 1959, GEOLOGIE, V8, P535

[59] OBRHEL J., 1968, PALAONTOLOGISCHE ABH, V2, P635

[60] OBRHEL J, 1958, GEOLOGIE, V7, P969