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Carbon isotope records of the Middle-Upper Ordovician transition in Yichang area, South China 期刊论文
PALAEOWORLD, 2015, 卷号: 24, 期号: 1-2, 页码: 136-148
Authors:  Ma, Xuan (马翾);  Wang, Zhi-Hao (王志浩);  Zhang, Yuan-Dong (张元动);  Song, Yan-Yan (宋妍妍);  Fang, Xiang (方翔)
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Yichang Area  South China  Middle-upper Ordovician Transition  Delta C-13  Condense Sequence  
Recovery dynamics of foraminifers and algae following the Permian-Triassic extinction in Qingyan, South China 期刊论文
GEOBIOS, 2015, 卷号: 48, 期号: 1, 页码: 71-83
Authors:  Song, HJ (Song, Haijun);  Yang, LR (Yang, Lirong);  Tong, JN (Tong, Jinnan);  Chen, J (Chen, Jing);  Tian, L (Tian, Li);  Song, HY (Song, Huyue);  Chu, DL (Chu, Daoliang)
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MULTIDIMENSIONAL SCALING BY OPTIMIZING GOODNESS OF FIT TO A NONMETRIC HYPOTHESIS 期刊论文
PSYCHOMETRIKA-, 1964, 卷号: 29, 期号: 1, 页码: 1-27
Authors:  J. B. KRUSKAL
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Principles of stratigraphy 专著
New York:A.G. Seiler and company, 1913
Authors:  Amadeus W. Grabau
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