@article {1502, title = {Differential ozone sensitivity in an old and a modern Swedish wheat cultivar {\textendash} grain yield and quality, leaf chlorophyll and stomatal conductance.}, journal = {Environmental and Experimental Botany}, volume = {56}, year = {2006}, pages = {63-71}, author = {Pleijel, H. and Eriksen, A.B. and Danielsson, H. and Bondesson, N. and Sellden, G.} }