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| A CHEMICAL ANALYSIS OF THE FOSSIL WOOD,XENOXYLON | |
| 作者姓名： | 蕭之謙 |
| 摘 要： | The material for the analysis is taken from a collection made by H.W.Wang of the Geological Survey of China at Hsiachiakou (夏家溝),HuailaiHsieh (怀来县),Chahar (察哈尔).An anatomical study of the fossil has beenmade by Prof.C.Y.Chang~1 who identified it to be of the genus Xenoxylon, |
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