"1994" . . "Le Thiec Didier. The effects of elevated carbon dioxide and ozone on the leaf gas exchange and nutrient status of cell tissues of Quercus rubra (L.), Picea abies (L.) Karst and Fagus sylvatica (L.), inopen-top chambers ; interactive effects with drought stress. Biologie v\u00E9g\u00E9tale. Universit\u00E9 Henri Poincar\u00E9 - Nancy 1, 1994. Fran\u00E7ais. ⟨NNT : 1994NAN10334⟩" . "The effects of elevated carbon dioxide and ozone on the leaf gas exchange and nutrient status of cell tissues of Quercus rubra (L.), Picea abies (L.) Karst and Fagus sylvatica (L.), inopen-top chambers ; interactive effects with drought stress" .