Author:

Ouyang,S.;Norris,G.

Year:

1988

Title:

Spores and pollen from the Lower Triassic Heshanggou Formation, Shaanxi Province, North China.

Reference:

Ouyang,S. et al. (1988) Spores and pollen from the Lower Triassic Heshanggou Formation, Shaanxi Province, North China. Review of Palaeobotany and Palynology Vol. 54 P. 187- 231

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