| Title | Authors | Year |
|---|---|---|
| The history of air pollution in York, England |
… |
1992 |
| Toxicological profile for cobalt |
ATSD,… |
1992 |
| Effects of acid precipitation, fertilisation and liming on the ground vegetation in coniferous forests of southern Germany |
… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Effects of fertiliser on bryophytes in Swedish experiments on forest fertilisation. |
Dirske, G.M… |
1992 |
| nitrogen cycle in Lough Neagh, N. Ireland, 1975 to 1987 |
Gibson, C.E… |
1992 |
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria |
Beattie, R.… |
1992 |
| Bryophytes and Lichens in a Changing Environment. |
Bates, J.W… |
1992 |
| A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature |
Beattie, R.… |
1991 |
| Nitrate in soil water |
Westling, O… |
1991 |