Materiálová období určující éry rozvoje civilizace
Rozhledy matematicko-fyzikální, Tome 90 (2015) no. 4, p. 6
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The article gives a brief description of historical civilization periods based on the materials used during individual periods. Finally, the vision of the future civilization period is outlined.
The article gives a brief description of historical civilization periods based on the materials used during individual periods. Finally, the vision of the future civilization period is outlined.