A synthesis of AOT40-based response functions and critical levels of ozone for agricultural and horticultural crops. Atmospheric Environment. 41:2630-2643.. 2007.
Temporal trends (1990-2000) in the concentration of cadmium, lead and mercury in mosses across Europe. Environmental Pollution. 151:368-376.. 2008.
Temporal trends in the concentration of arsenic, chromium, copper, iron, nickel, vanadium and zinc in mosses across Europe. Atmospheric Environment. 41:6673-6687.. 2007.