1. Eutrophication of waters: monitoring, assessment and control;Vollenweider,1982
2. Landsat analysis of lake quality;Scarpace;Photog. Eng. Remote Sensing,1979
3. Use of Landsat data to prediet the trophic state of Minnesota lakes;Lillesand;Photog. Eng. Remote Sensing,1983
4. Colour Analysis of Inland Waters using Landsat TM data. Monitoring the Earth's environment;Jaquet;ESTEC, Noordwijk, ESA SP-1102,1989
5. High precision land cover mapping and inventory with multi-temporal earth observation satellite data;Hill;Ed. C.E.C., EUR 15271 EN, Luxembourg,1993