APIS Bibliography

Title	Authors	Year
Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980	Dignon, J…	1989
Effects of ammonia emission on epiphytic lichen vegetation	DeBakker, A…	1989
Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests	Tyler, G.…	1989
Forest decline and Air Pollution	Schulze, E.…	1989
Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping.	Hawksworth…	1989
Understanding the Pollution Sensitivity of Lichens	Richardson…	1988
Modelled historical concentrations and depositions of ammonia and ammonium in Europe	Asman, W.A.…	1988
Urban distribution of Rhytisma acerinum (Pers.) Fries (tar spot) on sycamore	Leith, I.D…	1988
Nitrogen and carbon isotope ratios in seabird rookeries and their ecological implications	Mizutani, H…	1988
Effects of excessive ammonium deposition on the nutritional status and condition of pine needles	Dijk, H.F.G…	1988