Title Authors Year
The Effects of pH, Aluminum Concentration and Temperature on the Embryonic-Development of the European Common Frog, Rana- Temporaria

Beattie, R.…

1992
Measurement of Dry Deposition Velocities of NH3, and NH4+ over Natural Terrains

Duyzer, J.H…

1992
Changes in the Duch bryophyte flora and air pollution

Greven, H.C…

1992
Effects of acid precipitation, fertilisation and liming on the ground vegetation in coniferous forests of southern Germany

…

1992
The decrease of rich fen Bryophytes in the Netherlands.

Kooijman, A…

1992
Conservation of freshwater fish in the British Isles: the status of fish in National Nature Reserves

Lyle, A.A…

1992
Threats to the lake fish communities of the UK arising from eutrophication and species introductions.

Winfield, I…

1992
Environmental Health Criteria 135 Cadmium - Environmental Aspects

WHO,

 		1992
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

 		1991
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature

Beattie, R.…

1991