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Schäfer, Jörg M.; Baur, Heinrich; Denton, George H.; Ivy-Ochs, Susan; Marchant, Dave R.; Schlüchter, Christian; Wieler, Rainer (2000). The oldest ice on Earth in Beacon Valley, Antarctica: new evidence from surface exposure dating. Earth and planetary science letters, 179(1), pp. 91-99. Elsevier 10.1016/S0012-821X(00)00095-9
