| Title | Authors | Year |
|---|---|---|
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring. |
Van Dobben… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| River Habitat Quality |
Service,… |
1998 |
| Iron-manganese interactions among clones of nilegrass |
Foy, C. D… |
1998 |
| Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification |
Flückiger,… |
1998 |
| Early effects of acid mist on Sitka spruce planted on acid peat. |
Sheppard, L… |
1998 |
| Fluoride. In: Recognition of Air Pollutant Injury to Vegetation: A Pictorial Atlas. 2nd Edition |
Weinstein,… |
1998 |
| The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation |
Bobbink, R… |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Sensitive bioassays for risk assessment of contaminated soils |
Vaughan, G… |
1998 |