| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Spatial variation in ozone resistance of British populations of Plantago major L. |
Reiling, K… |
1992 |
| Effects of Ionising Radiation on Plants and Animals at levels implied by Current Radiation Protection Standards |
IAEA, |
1992 |
| Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd. |
Hallbdcken… |
1992 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
1992 |
| Summary of phytotoxic levels of soil arsenic |
Sheppard, S… |
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 |
| Effects of Nitrogen-Oxides on Nitrate Assimilation in Bryophytes |
Morgan, S.M… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |