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EL FADLI, Khalid I.; CERVENY, Randall S.; BURT, Christopher C. World Meteorological Organization Assessment of the Purported World Record 58 °C Temperature Extreme at El Azizia, Libya (13 September 1922). Bulletin of the American Meteorological Society. Roč. 94, čís. 2, s. 199–204. Dostupné online. DOI10.1175/bams-d-12-00093.1.
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Life Is a Chilling Challenge in Subzero Siberia from the National Geographic. www2.nature.nps.gov [online]. [cit. 2007-06-27]. Dostupné v archivu pořízeném dne 2007-03-29.
Husova kazatelna. www.mu.sedlcany.cz [online]. [cit. 2007-06-27]. Dostupné v archivu pořízeném z originálu dne 2007-05-14.