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39 Archivo General de la Nación, Montevideo, Uruguay, Ministerio de Instrucción Pública, file 634, Germán Barbato and Hugo Frigerio Herrán to Clemente Ruggia, 12 September 1956.

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92 National Archives of Australia, Canberra, Australia (henceforth NAAC), A2031 264/1956, Defence Committee, ‘International Geophysical Year’, December 1956.

93 Smithsonian Institution Archives, Washington, DC, USA, SAO Satellite Tracking, box 23, folder: ‘Japan – administration’, Masasi Miyadi to Fred Whipple, 7 February 1957.

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