APIS Bibliography

Title	Authors	Year
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998
Effects of simulated N deposition on understorey vegetation of a boreal coniferous forest.	Nordin, A…	1998
Differential effects of ammonium nitrate on three heathland species	De Graaf, M…	1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring	Dobben, H.F…	1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys	Seaward, M.…	1998
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability	Sutton, M.A…	1998
Environmental Health Criteria 200 Copper	WHO,	1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.	Van Dobben…	1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998