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| структура пространства-времени (CNN Alex_Odeychuk) | |||
| the fabric of space and time: 2 do fraz, 2 tematyki |
| Fizyka | 1 |
| Pospolicie | 1 |
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| структура пространства-времени (CNN Alex_Odeychuk) | |||
| the fabric of space and time: 2 do fraz, 2 tematyki |
| Fizyka | 1 |
| Pospolicie | 1 |