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https://pravovoe.cf/2015/04/15/%d0%bf%d0%be%d1%81%d1%82-17-15-%d0%b0%d0%bf%d1%80%d0%b5%d0%bb%d1%8f-%d1%8d%d0%ba%d1%81%d0%bf%d0%b5%d1%80%d0%b8%d0%bc%d0%b5%d0%bd%d1%82-%d1%81-%d1%80%d0%be%d0%b8-%d0%be%d0%bf%d1%8b%d1%82-%e2%84%96/
Пост 17 (15 апреля). Эксперимент с РОИ. Опыт № 2