APIS Bibliography

Title	Authors	Year
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991
Acid deposition: its nature and impacts	Last, F.T…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
Acidic deposition: its nature and impacts	Last, F.T…	1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.	Adaros, G…	1991
Critical Load Maps for the United Kingdom I: Soil	UKCLAG,	1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
Acid Rain - Critical and Target Load Maps for the United Kingdom	Environment…	1991
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	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