Wikidata entity: Q3025195
| P31 | instance of | ... | Q9357058 (physical theory) | physical theory |
| P10565 | Encyclopedia of China (Third Edition) ID | 229380 |
| P646 | Freebase ID | /m/03d38m7 |
| P6366 | Microsoft Academic ID (discontinued) | 2779645329 |
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log id: 1949378