| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| The decrease of rich fen Bryophytes in the Netherlands. |
Kooijman, A… |
1992 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
1992 |
| Physiological response of three species of Sphagnum to ozone |
Gagnon, Z.E… |
1992 |
| Decline of Charophytes During Eutrophication - Comparison with Angiosperms |
Blindow, I… |
1992 |
| Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas. |
Baxter, R… |
1992 |
| The Effects of pH, Aluminum Concentration and Temperature on the Embryonic-Development of the European Common Frog, Rana- Temporaria |
Beattie, R.… |
1992 |
| Changes in the Duch bryophyte flora and air pollution |
Greven, H.C… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Acid Soil and Acid Rain |
Kennedy, I.… |
1992 |