Ylym we bilim

22 nji sapak

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21st Century Jobs

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57.58.maýyşgaklyk,Deformasiýa görnüşleri.

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55.Kristal gozenekler we olaryn gornusleri

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525519

525519

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521967

521967

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456677jjuju

456677jjuju

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4.LONDON, 4 cl.

4.LONDON, 4 cl.

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373004

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364548

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