| P31 | instance of | ... | Q9357058 (physical theory) | physical theory |
| P2579 | studied by | ... | Q11473 (thermodynamics) | thermodynamics |
| P646 | Freebase ID | /m/0h5z5j |
| P6366 | Microsoft Academic ID (discontinued) | 2780576571 |
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log id: 2811210