Book Chapter
Bauer, G. A.; Hein, M.; Schulze, E.-D.: Stable nitrogen isotope patterns in European forest ecosystems. In: Comparison of ecosystem functioning and biogeochemical cycles in temperate forests in Southern Chile and Flanders, pp. 59 - 66 (Eds. De Schrijver, A.; Kint, V.; Lust, N.). Academic Press, Gent (2002)