| Title | Authors | Year |
|---|---|---|
| Global amphibian declines: A problem in applied ecology |
Alford, R.A… |
1999 |
| Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions |
González, A… |
1999 |
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
1999 |
| Response of three arbuscular mycorrhizal fungi to simulated acid rain and aluminium stress |
Vosatka, M… |
1999 |
| Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species. |
Bergmann, E… |
1999 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
1999 |
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |
| Closing the global N2O budget: a retrospective analysis 1500 - 1994 |
Kroeze, C… |
1999 |