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地质学报 1925
GEOLOGICALNOTESFROMKANSUAbstract: AgeoftheKueiteSeries:Inmypaper"EssaysontheCenozoicofNorthernChina"IhavementionedafossilfindwhichwasmadebyDr.WongWen-haoandMr.C.Y.Hsiehinthe"Redbeds"ofKuYuanHsien,E.Kansu.ThesewereshellsandoperculaofasmallgastropodwhichI
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