| Title | Authors | Year | 
|---|---|---|
| Effects of manganese, copper and lead on Selenastrum capricornutum and Chlorella stigmatophora | 
                               Christensen…  | 
                                                                                        1979 | 
| Indicator values of vascular plants in Central Europe | 
                               Ellenberg,…  | 
                                                                                        1979 | 
| Palladium in plant ash | 
                               Kothny, E.…  | 
                                                                                        1979 | 
| Survey of ozone levels in British Isles using indicator plants | 
                               Ashmore, M.…  | 
                                                                                        1978 | 
| Metal toxicity to embryos and larvae of seven freshwater fish species - 1.Cadmium | 
                               Eaton, J. G…  | 
                                                                                        1978 | 
| Acute toxicity of vanadium to some marine benthic and phytoplanktonic species | 
                               Miramand, P…  | 
                                                                                        1978 | 
| Effects of sulphur pollutants on the growth of Sphagnum species. | 
                               Ferguson, N…  | 
                                                                                        1978 | 
| Factors regulating phytoplankton production and standing crops in the world's freshwaters | 
                               Schindler,…  | 
                                                                                        1978 | 
| Platinum uptake by horticultural crops | 
                               Pallas, J.…  | 
                                                                                        1978 | 
| In depth studies on the health and environmental impacts of selected water pollutants | 
                               EPA, US  | 
                                                                                        1978 |