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Irvine, California Irvin Valdez Irvin Berlin Irving Fisher Irvingia gabonensis Irving Weissman Irvine Page Irving Langmuir Irvin Reyna Irving, TexasTài liệu tham khảo
WikiPedia: Irving_Langmuir http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/L... https://web.archive.org/web/20081210082018/http://...