@article {1498, title = {Belowground effects of enhanced tropospheric ozone and drought in abeech/spruce forest (Fagus sylvatica L./Picea abies [L.] Karst).}, journal = {Environmental Pollution}, volume = {158}, year = {2010}, pages = {1071-1078}, author = {Nikolova, P.S. and Anderson, C.P. and Blaschke, H. and Matyssek, R. and Haberle, K.} }