| Title | Authors | Year |
|---|---|---|
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Summary of phytotoxic levels of soil arsenic |
Sheppard, S… |
1992 |
| nitrogen cycle in Lough Neagh, N. Ireland, 1975 to 1987 |
Gibson, C.E… |
1992 |
| Toxicity of trace element and salinity mixtures to striped bass (Morone saxatilis) and Daphnia magna |
Dwyer, F. J… |
1992 |
| The history of air pollution in York, England |
… |
1992 |
| Changes in the Duch bryophyte flora and air pollution |
Greven, H.C… |
1992 |
| Toxicological profile for cobalt |
ATSD,… |
1992 |
| Effects of Nitrogen-Oxides on Nitrate Assimilation in Bryophytes |
Morgan, S.M… |
1992 |
| Nitrate in soil water |
Westling, O… |
1991 |
| Critical Load Maps for the United Kingdom I: Soil |
UKCLAG, |
1991 |