Gas exchange and antioxidative compounds in young beech trees under free-air ozone exposure and comparisons to adult trees. - Herbinger,K..; Then,C..; Haberer,K..; Alexou,M..; Löw,M..; Remele,K..; Rennenberg,H..; Matyssek,R..; Grill,D..; Wieser,G..; Tausz,M.. (Plant Biology, 2007)