Author:

Gan,Z.-B.

Year:

1986

Title:

Spores and pollen from the Ziahuayuan Formation in Hebei and their stratigraphical significance

Reference:

Gan,Z.-B. (1986) Spores and pollen from the Ziahuayuan Formation in Hebei and their stratigraphical significance Acta Palaeontologica Sinica (Gushengwu Xuebao) Vol. 25 # 1 P. 87- 92

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