1. Tree growth, air pollution and climate near LaPorte, Ind.;Ashby;Bull. Am. Meteorol. Soc.,1972
2. The smoothing spline: A new approach to standardizing forest interior tree-ring width series for dendroclimatic studies;Cook;Tree-Ring Bull.,1981
3. Les lichens et la pollution atmospherique;Deruelle;Bull. Ecol.,1978
4. Untersuchungen an epiphytischen Flechten in Athen im Zusammenhang mit den stadtokologischen Verhaltnissen: Vegetationskundliche Gliederung, Scadstoffanreicherung und Photosynthesebeeinflussung;Eitschberger,1984
5. Impact of domestic wastewater on Thuja occidentalis in a northern Michigan cedar swamp;Heliotis,1987