| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
1992 |
| Effects of fertiliser on bryophytes in Swedish experiments on forest fertilisation. |
Dirske, G.M… |
1992 |
| Conservation of freshwater fish in the British Isles: the status of fish in National Nature Reserves |
Lyle, A.A… |
1992 |
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria |
Beattie, R.… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| The decrease of rich fen Bryophytes in the Netherlands. |
Kooijman, A… |
1992 |
| Acid Soil and Acid Rain |
Kennedy, I.… |
1992 |
| Deposition of Atmospheric Ammonia to Moorlands. |
Sutton, M.A… |
1992 |
| Influence of Ozone Air-Pollution on Plant-Herbivore Interactions .2. Effects of Ozone on Feeding Preference, Growth and Consumption Rates of Monarch Butterflies (Danaus-Plexippus) |
Bolsinger,… |
1992 |