1. Ecological monitoring of forest within the zone surrounding the factory of nitrogen fertilizers;Armolaitis,1991
2. Change in physicochemical properties of forest soils under the influence of emissions from nitrogen fertilizer;Armolaitis;Eurasian Soil Science,1993
3. Forest Condition in Europe;EC and UN/ECE,1997
4. Forest condition monitoring in Lithuania: 1988–1995;Ozolincius,1996