Физика в системе современного образования (ФССО-2013): Материалы XII Международной научной конференции (Петрозаводск, 3-7 июня 2013 г.). Том 1
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Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.
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Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.
