search query: @author Qi, Xinyu / total: 1
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title | year | author | ||
1. |
Technical Economy (c)
1995 : 6, p.30-32 |
1995 | Qi, Xinyu |
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title | year | author | ||
1. |
Technical Economy (c)
1995 : 6, p.30-32 |
1995 | Qi, Xinyu |