H. WERNER and P. FABIAN:
Free-Air Fumigation of Mature Trees - A novel System for Controlled Ozone Enrichment in Grown-up Beech and Spruce Canopies.
ESPR-Environ. Sci. & Pollut. Res. 9 (2), 117-121, 2002.
H. REITMAYER, H. WERNER and P. FABIAN:
A Novel System for Spectral Analysis of Solar Radiation within a Mixed Beech-Spruce Stand.
Plant Biol. 4, 228-233, 2002.
