Russia · Perm National Research Polytechnic University
SHA1: e92d9b5867bc10acebb242e25cfaf0b7c6990784
SHA256: b09961850b5a962f89c084dc4b67dd845660aef7f504b4af0c02981d2164ca4c
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2013-12-04 09:17:27 +0000 UTC