Title: Immissionsökologische Waldzustandserfassung in Nordrhein-Westfalen (IWE 1979)
First published: 1983
Subjects: Effect of air pollution on, Trees, Plant indicators, Forest ecology, Lichens, Norway spruce, Wounds and injuries
Places: Germany, North Rhine-Westphalia
LC classification: S7 .F57 Heft. 37, SB745 .F57 Heft. 37