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3. Modern evolution of the Djankuat Glacier in the Caucasus;Popovnin;Zeits. Gletscherkunde and Glazialgeol.,1996
4. Microbial activity discovered in previously ice-entombed Arctic ecosystems
5. The extreme weather events of 1997 and 1998;Trenberth;Consequences. The Nature and Implications of Environmental Change,1999