 | Up a level |
Siegenthaler, U.; Friedli, H.; Loetscher, H.; Moor, E.; Neftel, A.; Oeschger, H.; Stauffer, B. (1988). Stable-isotope ratios and concentration of CO2 in air from polar ice cores. Annals of glaciology, 10, pp. 151-156. International Glaciological Society 10.3189/S0260305500004341
