1. Past atmospheric composition and climate, gas parameters measured on ice cores;Berner;Nature,1979
2. Vostok ice core provides 160 000-year record of atmospheric CO2;Barnola;Nature,1987
3. Glacial to interglacial changes in ocean chemistry;Broecker;Prog. Oceanogr.,1982
4. Glacial-Holocene changes in atmospheric CO2 and the deep-sea record;Berger;Geophys. Monogr.,1984
5. W.S. Broecker and T.H. Peng, Tracers in the Sea, Eldigio Press, New York, 1982, pp. 47–94.