| Title | Authors | Year |
|---|---|---|
| Early development of freshwater sponges under the influence of nitrite and pH. |
Kahlert, M… |
1997 |
| Aquatic Plants in Britain and Ireland |
Preston, C.… |
1997 |
| Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories |
IPCC, ;… |
1997 |
| The significance of nitrogen runoff for eutrophication of freshwater and marine recipients |
Hessen, D.O… |
1997 |
| The influence of nitrogen fertilization on the carbon economy of Paxillus involutus in ectomycorrhizal association with Betula pendula |
Ek, H. |
1997 |
| Accumulation of cadmium, chromium and zinc by the moss Sphagnum papillosum Lindle |
Gstoettner… |
1997 |
| Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens. |
Tarhanen, S… |
1997 |
| Fluorinated organics in the biosphere |
Key, B.D.;… |
1997 |
| Short communication: Ozone levels in Paris one century ago |
Anfossi, D… |
1997 |
| Responses on ground vegetation to prolonged simulated acid rain in sub-artic pine-birch forest |
Shertsova,… |
1997 |