【摘 要】
：
In Yunnan, upper Permian has so far been known only from the easternborder of the province whence it extends into Kueichou etc. In westernYunnan, this formatio
【机 构】
：
National University of Peking,
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In Yunnan, upper Permian has so far been known only from the easternborder of the province whence it extends into Kueichou etc. In westernYunnan, this formation has not been observed anywhere, until during thelatest of six journeys undertaken from 1939 to 1946 I met at last with some
In Yunnan, upper Permian has so far been known only from the easternborder of the province whence it extends into Kueichou etc. In western Yunnan, this formation has not been observed anywhere, until during thelatest of six journeys undertaken from 1939 to 1946 I met at last with some
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