search query: @author Liu, Yun / total: 1
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| title | year | author | ||
| 1. |
Academic Journal of Zhongzhou (c)
1994 : 1, p.32-36 |
1994 | Wu, Jingshan Liu, Yun |
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| title | year | author | ||
| 1. |
Academic Journal of Zhongzhou (c)
1994 : 1, p.32-36 |
1994 | Wu, Jingshan Liu, Yun |