Дубна ТВ. Феномен преподавателя Луппова.
В память о Григории Дмитриевиче. На 87-м году ушел из жизни известный в Дубне педа ...
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![Бетон не высыхает! [MinutePhysics]](https://sun9-3.userapi.com/O_CpTgchUwSzhulaj3VF6sbWBFudDXogFaLrHw/YNM35Nv1UME.jpg)
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