| Title | Authors | Year |
|---|---|---|
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| Protocol to abate acidification, eutrophication and ground-level ozone. |
UNECE, .… |
1999 |
| The resistance of the moss Polytrichum commune to acute exposure of simulated acid rain or ozone compared to two fern species: Spore germination |
Bosley, A… |
1999 |
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
1999 |
| Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex. |
Hill, M.O… |
1999 |
| Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia |
Reimer, P.… |
1999 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |
| Chemistry of Atmospheres |
Wayne, R.P… |
1999 |
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |