| Title | Authors | Year | 
|---|---|---|
| The evolution of phosphorus limitation in lakes | 
                               Schindler,…  | 
                                                                                        1977 | 
| Toxicity of metal mining wastes | 
                               Hale, J. G…  | 
                                                                                        1977 | 
| Long term effects of methylmercuric chloride on three generations of brook trout (Salvelinus fontinalis): toxicity, accumulation, distribution and elimination | 
                               McKim, J. M…  | 
                                                                                        1976 | 
| Effects of chromium in the Canadian environment | 
                               Canada,…  | 
                                                                                        1976 | 
| Etude experimentale de la toxicitie aigue de sels de cobalt, d'antimonie, des trontium et d'argent chez qelques crustaces et leurs larves et chez quelque teleosteens | 
                               Amiard, J.…  | 
                                                                                        1976 | 
| Atlas of the British Flora. Botanical Society of the British Isles | 
                               Perring, F.…  | 
                                                                                        1976 | 
| Boron as a phytotoxic air pollutant | 
                               Temple, P.…  | 
                                                                                        1976 | 
| Note on boron toxicity in a stand of radiata pine in Hawkes Bay | 
                               Smidt, R. E…  | 
                                                                                        1975 | 
| Ozone and sulphur dioxide effects on the lilac powdery mildew fungus. | 
                               Hibben, C.R…  | 
                                                                                        1975 | 
| The effect of sulphur dioxide on the incidence and severity of bean rust and early blight of tomato. | 
                               Weinstein,…  | 
                                                                                        1975 |