1. Greenland ice cores: frozen in time;Alley;Scientific American,1998
2. Chemical Exchange between the Atmosphere and Polar Snow;Bales,1996
3. Ice sheets and the ice-core record of climate change;Cuffey,2000
4. Ice Core Studies of Global Biogeochemical Cycles,1993
5. Greenland Summit Ice Cores: Greenland Ice Sheet Project 2/Greenland Ice Core Project,1997