%0 Generic %D 2004 %T Ozone effects on the ultrastructure of peatland plants: Sphagnum mosses, Vaccinium oxycoccus, Andromeda polifolia and Eriophorum vaginatum. %A Rinnan, R. %A Holopainen, T. %B Annals of Botany %V 94 %P 623-634 %G eng