by O. P. Telʹnova
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Spory pogranichnykh otlozheniĭ devona i...
Spory v reproduktivnykh organakh devonsk...
Paekche ŭi sŏnggwak kwa kŏnchʻuk
Traité de paléobotanique
Permian plant microfossils Flowerpot For...
Illustrations of plant microfossils from...
Plant spores and other microfossils from...
The systematics and distribution of Perm...