TY - Generic T1 - Belowground effects of enhanced tropospheric ozone and drought in abeech/spruce forest (Fagus sylvatica L./Picea abies [L.] Karst). Y1 - 2010 A1 - Nikolova, P.S. A1 - Anderson, C.P. A1 - Blaschke, H. A1 - Matyssek, R. A1 - Haberle, K. JF - Environmental Pollution VL - 158 ER -