APIS Bibliography

Title	Authors	Year
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation	Van der…	1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.A…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991
Forestry and soil protection in the UK	Moffatt, A.…	1991
Increases in soil acidity in north west Wales between 1957 and 1990	…	1991
Effects of sulphur dioxide on the development of fungal diseases of winter barley in an open-air fumigation system.	Mansfield,…	1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.	Adaros, G…	1991
Environmental Health Criteria 125 Platinum	WHO,	1991
Seasonal variations in acidic pollutant inputs and their effects on the chemistry of stemflow, bark and epiphyte tissues in three oak woodlands in N.W. Britain	Farmer, A.M…	1991