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2. Caves in the Glaciers of Terra Nova Bay (Victoria Land, Antarctica);Badino,2001
3. Glacières of Freezing Caverns;Balch,1900
4. Das Geldoch im Ötscher (die Seelucke – eine Höhle);Beer;Zeitschrift der deutschen und österreichischen Alpenvereins,1902
5. Decline of cave ice – a case study from the Austrian Alps (Europe) based on 146 years of observation;Behm,2009