| Title | Authors | Year |
|---|---|---|
| Environmental Health Criteria 125 Platinum |
WHO, |
1991 |
| Zeigerwerte von Pflanzen in Mitteleuropa |
Ellenberg,… |
1991 |
| Effects of ionising radiation on aquatic organisms |
National… |
1991 |
| Acid deposition: its nature and impacts |
Last, F.T… |
1991 |
| The yield of winter cereals exposed to sulphur dioxide under field conditions. |
McLeod, A.R… |
1991 |
| Mechansims of adaptions of plants to acid soils |
Marschner,… |
1991 |
| Acidic deposition: its nature and impacts |
Last, F.T… |
1991 |
| Critical Load Maps for the United Kingdom I: Soil |
UKCLAG, |
1991 |
| Acid Rain - Critical and Target Load Maps for the United Kingdom |
Environment… |
1991 |
| Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition |
Morris, J.T… |
1991 |