%0 Journal Article %J Angewandte Botanik %D 1993 %T A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response %A Grunhage, L. %A Dammgen, U. %A Haenel, H.D. %A Jager, H.J. %A Holl, A. %A Schmitt, J. %A Hanewald, K. %B Angewandte Botanik %V 67 %P 9-13