| Title | Authors | Year |
|---|---|---|
| The decrease of rich fen Bryophytes in the Netherlands. |
Kooijman, A… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd. |
Hallbdcken… |
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 pH, Aluminum Concentration and Temperature on the Embryonic-Development of the European Common Frog, Rana- Temporaria |
Beattie, R.… |
1992 |
| Changes in the Duch bryophyte flora and air pollution |
Greven, H.C… |
1992 |
| Effects of Nitrogen-Oxides on Nitrate Assimilation in Bryophytes |
Morgan, S.M… |
1992 |
| Critical Load Maps for the United Kingdom I: Soil |
UKCLAG, |
1991 |
| Acid rain since 1985 - times are changing |
Brydges, T.… |
1991 |