TY - Generic T1 - Validation of the stomatal flux approach for the assessment of ozone visible injury in young forest trees. Results from the TOP (transboundary ozone pollution) experiment at Curno, Italy. Y1 - 2009 A1 - Gerosa, G. A1 - Marzuoli, R. A1 - Desotgiu, R. A1 - Bussotti, F. A1 - Ballarin-Denti, A. JF - Environmental Pollution VL - 157 IS - 5 ER -