1. Alkezweeny A J, Laulainen NS, Thorp JM (1982) Physical, chemical and optical characteristics of a clean air mass over northern Michigan. Atmos Environ 16:2421–2430
2. Allen RO, Steinnes E (1979) Contribution from long range atmospheric transport to the heavy metal pollution of surface soil. In: Proc International Conference Management and Control of Heavy Metals in the Environment. CEP Consultants, Edinburgh, p 271
3. Andersson A (1972) Enrichment of trace elements from sewage sludge fertilizer in soils and plants. Ambio 1:176–179
4. Andersson A, Hahlin M (1981) Cadmium effects from phosphorus fertilization in field experiments. Swed J Agric Res 11:3–10
5. Andersson A, Nilsson KO (1974) Influence of lime and soil pH on cadmium availability to plants. Ambio 3:198–200