Literaturrecherche

Literatur Gasch G, Grünhage L, Jäger H-J, Wentzel KF (1989) Das Schwefelfraktionsverhältnis in Fichtennadeln - ein Indikator für Immissionsbelastungen durch Schwefeldioxid. In: Bucher JB, Bucher-Wallin I (eds) Air pollution and forest decline : vol. 1. Interlaken, pp 410-412

Literatur Bender J, Jäger H-J, Schweizer B, Seufert G, Arndt U (1989) Long-term effects of air pollutants on forest trees in open-top-chambers : 2. Investigation of physiological and biochemical effects. In: Bucher JB, Bucher-Wallin I (eds) Air pollution and forest decline : vol. 1. Interlaken, pp 167-172

Literatur Seufert G, Arndt U, Jäger H-J, Bender J (1989) Long-term effects of air pollutants on forest trees in open-top-chambers : Experimental approach and results on mineral cycling. In: Bucher JB, Bucher-Wallin I (eds) Air pollution and forest decline : vol. 1. Interlaken, pp 159-165