APIS Bibliography

Title	Authors	Year
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990
Cation-exchange properties and adaptation to soil acidity in bryophytes	Buscher, P…	1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions	Nir, R ;…	1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers	Weigel, H.J…	1990
The effect of air quality on tree growth.	Lee, H.S.J…	1990
Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals	Muniz, I.P…	1990
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.	Houlden, G…	1990
Bryophytes and heavy metals: a literature review	Tyler, G.…	1990