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Andrée, M.; Beer, J.; Oeschger, H.; Mix, A.; Broecker, W.; Ragano, N.; O'Hara, P.; Bonani, G.; Hofmann, H.; Morenzoni, E.; Nessi, M.; Suter, M.; Wölfli, W. (1985). Accelerator radiocarbon ages on foraminifera separated form deep-sea sediments. In: Sundquist, E.T.; Broecker, W.S. (eds.) The Carbon Cycle and Atmospheric CO2: Natural Variations Archean to Present. Geophysical Monograph Series: Vol. 32 (pp. 143-153). American Geophysical Union 10.1029/GM032p0143
Oeschger, H.; Stauffer, B.; Finkel, R.; Langway Jr., C.C. (1985). Variations of the CO2 concentration of occluded air and of anions and dust in polar ice cores. In: Sundquist, E.T.; Broecker, W.S. (eds.) The Carbon Cycle and Atmospheric CO2: Natural Variations Archean to Present. Geophysical Monograph Series: Vol. 32 (pp. 132-142). American Geophysical Union 10.1029/GM032p0132
