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== Литература ==
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* {{Cite book |ref= harv|last=Zumdahl|first= Steven S. |title=Chemistry | edition = | language = |publisher=D.C. Heath | location = Lexington, Mass |year=1986| origyear = |isbn=978-0-669-04529-1 | oclc = | doi = |url=| accessdate =}}
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