On the paleophyte-Mesophyte boundary. (In: Papers for the 5th International Palynological Conference.)
Reference:
Yao,Z.-Q. et al. (1980)
On the paleophyte-Mesophyte boundary. (In: Papers for the 5th International Palynological Conference.) Paper for the 5th International Palynological Conference; Nanjing Institute of Geology and Palaeontology, Academia Sinica, Nanjing, China.
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