The Royal Swedish Academy of Sciences (3 octubre 2006). "The Nobel Prize in Physics 2006" (.PDF). Nota de premsa. Consulta: 2006-10-05. Arxivat de l'original a data de 2010-08-15.
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The Royal Swedish Academy of Sciences (3 octubre 2006). "The Nobel Prize in Physics 2006" (.PDF). Nota de premsa. Consulta: 2006-10-05. Arxivat de l'original a data de 2010-08-15.