1. Palaeolimnological evidence for the acidification of Loch Fleet;Anderson,1986
2. Toxicity and tolerance of aluminium in vascular plants;Andersson;Water, Air, Soil Pollut.,1988
3. Historical development and extent of acidification of shallow waters in The Netherlands;Arts,1987
4. Floristic changes in shallow soft waters in relation to underlying environmental factors;Arts;Freshwater Biol.,1988
5. Extent and historical decline of Dutch soft waters;Arts,1989