Six across Antarctica : into the teeth of the ice en NATIONAL GEOGRAPHIC, BOLETINES DE : NATIONAL GEOGRAPHIC ([19/02/2013])
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[artículo] Six across Antarctica : into the teeth of the ice [texto impreso] . - pp 66-95. PP - MFN 125 - NATIONAL GEOGRAPHIC - November 1990 v. 178 nº 5 Idioma : (En) in NATIONAL GEOGRAPHIC > BOLETINES DE : NATIONAL GEOGRAPHIC [19/02/2013] . - pp 66-95
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