APIS Bibliography

Title	Authors	Year
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature	Beattie, R.…	1991
Decline of ectomycorrhizal fungi in Europe.	Arnolds, E…	1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.	Adaros, G…	1991
Acid rain since 1985 - times are changing	Brydges, T.…	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
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	1991
Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna	Van der…	1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation	Van der…	1991
Forestry and soil protection in the UK	Moffatt, A.…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991