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Saurer, M.; Borella, S.; Leuenberger, M. (1997). δ18O of tree rings of beech (Fagus silvatica) as a record of δ18O of the growing season precipitation. Tellus. Series B - chemical and physical meteorology, 49(1), pp. 80-92. Munksgaard 10.3402/tellusb.v49i1.15952
Leuenberger, M.; Borella, S.; Stocker, T.; Saerer, M.; Siegwolf, R.; Schweingruber, F.; Matyssek, R. (eds.) (1998). Stable isotopes in tree rings as climate and stress indicators. Final report NFP 31. vdf Hochschulverlag
