| Title | Authors | Year |
|---|---|---|
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |
| Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany. |
Wöllecke, J… |
1999 |
| The Kyoto Protocol: A guide and assessment |
Grubb, M.;… |
1999 |
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites |
Williams, B… |
1999 |
| Persistent organic pollutants (POPS); state of the science |
Jones, K.C… |
1999 |
| Inventory of information sources on chemicals Persistent Organic Pollutants |
UNEP, |
1999 |
| Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions |
González, A… |
1999 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |
| Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK? |
Ramsay, S.L… |
1999 |