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020 _a9781680955873
040 _aMAIN
041 _aEnglish
082 _a530.1 LEA
100 _a3G E- Learning
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245 0 _aTheoretical physics
260 _b3G E- Learning
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_c2017
300 _a243
650 _aPhysics
942 _cBK
999 _c48186
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