| Title | Authors | Year |
|---|---|---|
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
1999 |
| Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems |
Wilson, E.J… |
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 |
| The effect of increased deposition of atmospheric N on Cv in upland Britain. |
Carroll, J.… |
1999 |
| Phytoaccumulation of trace elements by wetland plants II Water hyacinth |
Zhu, Y. L… |
1999 |
| Inventory of information sources on chemicals Persistent Organic Pollutants |
UNEP, |
1999 |
| Ozone stimulates protonematal growth and gametophore production in Polytrichum commune |
Petersen, R… |
1999 |