Matyssek, R. ; Günthardt-Goerg, M.S. ; Keller, T.
Physiological effects of air pollutants in low concentration on trees
76-86
"Air pollution and interactions between organisms in forest ecosystems" Proceedings of the 15th international meeting of specialists in air pollution effects on forest ecosystems
IUFRO Working Party P 2.05, Tharandt/Dresden (FRG), Sept. 9-11, 1992
1993