| Title | Authors | Year | 
|---|---|---|
| Air quality guidelines for Europe | 
                               …  | 
                                                                                        1987 | 
| Sensitivity of toad tadpoles, Bufo melanostictus (Schneider), to heavy metals | 
                               Khangarot,…  | 
                                                                                        1987 | 
| Relationship between SO2 Dose and Growth of the Pea Aphid, Acyrthosiphon-Pisum, on Peas | 
                               Warrington…  | 
                                                                                        1987 | 
| A comparative study on nutrient cycling in wet heathland ecosystems. I. Litter production and nutrient losses from the plant | 
                               Berendse, F…  | 
                                                                                        1987 | 
| The enhanced acidification of a field soil by very low concentrations of atmospheric ammonia | 
                               Spears, R.B…  | 
                                                                                        1987 | 
| Acidification and Otter (Lutra lutra) Distribution on a British River. | 
                               Mason, C.F…  | 
                                                                                        1987 | 
| Acid Rain and Trees | 
                               Ling, K.A…  | 
                                                                                        1987 | 
| Effect of SO2 on the Reproduction of Pea Aphids, Acyrthosiphon- Pisum, and the Impact of SO2 and Aphids on the Growth and Yield of Peas | 
                               Warrington…  | 
                                                                                        1987 | 
| Effects of airborne fluoride emissions in Wales, Part 1 | 
                               Perkins, D.…  | 
                                                                                        1987 | 
| The impact of ozone on assimilate partitioning in plants – a review. | 
                               Cooley, D.R…  | 
                                                                                        1987 |