%0 Generic %D 1999 %T Leaf injury characteristics of grassland species exposed to ozone in relation to soil moisture condition and vapour pressure deficit. %A Bungener, P. %A Balls, G.R. %A Nussbaum, S. %A Geissmann, M. %A Grub, A. %A Fuhrer, J. %B New Phytologist %V 142 %P 271-282 %G eng %N 2 %0 Generic %D 1995 %T Establishing critical levels for the effects of air pollution on vegetation %A Ashmore, M.R. %A Sanders, G.E. %A Skarby, L. %A Fuhrer, J. %B Water, Air and Soil Pollution %V 85 %P 189-200 %0 Generic %D 1995 %T Establishing critical levels for the effects of air pollution on vegetation %A Sanders, G.E. %A Skarby, L. %A Ashmore, M.R. %A Fuhrer, J. %B Water, Air and Soil Pollution %V 85 %P 189-200 %0 Report %D 1994 %T Critical levels for ozone; a UNECE workshop report %A Fuhrer, J. %E Achermann, B. %B FAC Report no. 16 %I Swiss Federal Research Station for Agricultural Chemistry and Environmental Hygiene %C Liebefeld-Bern