M. Jäggi, Matthias Volk, Jürg Fuhrer
Effects of elevated O3 at two irrigation levels on the d13C of four grassland species in a natural habitat.
Matthias Volk, A. Blatter, P. Bungener, F. Contat, M. Geissmann, M. Montani, Jürg Fuhrer
Response of a pre-alpine pasture to long-term elevated ozone exposure.