1. Agbeti MD (1992) Relationship between diatom assemblages and trophic variables: comparison of old and new approaches. Can J Fish Aquat Sci 49:1171–1175. doi: 10.1139/f92-131
2. Archibald REM (1983) The diatoms of the Sundays and Great Fish Rivers in the Eastern Cape province of South Africa. Cramer, Vaduz
3. Battarbee RW (1997) Freshwater quality, naturalness and palaeolimnology. In: Boon PJ and Howell DL (eds) Freshwater quality: defining the indefinable?, The Stationery Office (1997), pp 155–171 (Chapter 14)
4. Battarbee RW, Jones VJ, Flower RJ, Cameron NG, Bennion H, Carvalho L, Juggins S (2001) Diatoms. In: Stoermer EF, Birks HJB, Last WM (eds) Tracking environmental change using lake sediments, vol. 3, terrestrial, algal and siliceous indicators. Kluwer, Dordrecht, pp 155–202
5. Bennion H (1993) A diatom-phosphorus transfer function for eutrophic ponds in south-east England. Unpublished PhD thesis, University College London