TY - JOUR T1 - A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response JF - Angewandte Botanik Y1 - 1993 A1 - Grunhage, L. A1 - Dammgen, U. A1 - Haenel, H.D. A1 - Jager, H.J. A1 - Holl, A. A1 - Schmitt, J. A1 - Hanewald, K. VL - 67 ER -