Hettelingh, JPPosch, Mde Smet, PAM2025-03-142025-03-141996https://rivm.openrepository.com/handle/10029/636457Mapping critical tresholds and stock at riskArticleIn: Karenlampi L, Skarby L, eds. Critical levels for ozone in Europe: testing and finalizing the concepts. UN-ECE workshop report. University of Kuopio, Department of ecology and environmental science, 1996;125-372025-03-14