search query: @journal_id 1271 / total: 1
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| title | year | author | ||
| 1. |
Journal of Beijing Normal University (c)
1993 : 3, p.1-7 |
1993 | Gu, Mingyuan |
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| title | year | author | ||
| 1. |
Journal of Beijing Normal University (c)
1993 : 3, p.1-7 |
1993 | Gu, Mingyuan |