Error en arxiuurl o arxiudata.Weart, Spencer R. «[Spencer R. Weart The Discovery of Global Warming; The Public and Climate Change: Suspicions of a Human-Caused Greenhouse (1956–1969)]». American Institute of Physics, February 2014. [Consulta: May 12, 2015]., and footnote 27Arxivat 2015-05-16 a Wayback Machine.
Error en arxiuurl o arxiudata.Weart, Spencer R. «[Spencer R. Weart The Discovery of Global Warming; The Public and Climate Change: Suspicions of a Human-Caused Greenhouse (1956–1969)]». American Institute of Physics, February 2014. [Consulta: May 12, 2015]., and footnote 27Arxivat 2015-05-16 a Wayback Machine.