| Title | Authors | Year |
|---|---|---|
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
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 |
| Decline of Charophytes During Eutrophication - Comparison with Angiosperms |
Blindow, I… |
1992 |
| Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas. |
Baxter, R… |
1992 |
| Environmental Health Criteria 135 Cadmium - Environmental Aspects |
WHO, |
1992 |
| Changes in the Duch bryophyte flora and air pollution |
Greven, H.C… |
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 |
| Decline of ectomycorrhizal fungi in Europe. |
Arnolds, E… |
1991 |