APIS Bibliography

Title	Authors	Year
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
The effect of zinc oxide on the growth of the unicellular alga Selenastrum capricornutum	Van…	1994
Setting critical loads for dystrophic peat - a new approach.	Wilson, E.J…	1994
Acidification of freshwater ecosystems: implications for the future	Rosseland,…	1994
Accumulation of amino acids in some boreal forest plants in response to increased nitrogen availability	Näsholm, T…	1994
The calculation of weathering rates and their role in the determination of critical loads	Langan, S.J…	1994
Group report: are chemical and biological changes reversible?	Dise, N.B…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
The effect of zinc powder on the growth of the unicellular alga Selenastrum capricornutum	Van Woensel…	1994
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994