Title Authors Year
The yield of winter cereals exposed to sulphur dioxide under field conditions.

McLeod, A.R…

1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation

Maitland, P…

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
Effects of sulphur dioxide on the development of fungal diseases of winter barley in an open-air fumigation system.

Mansfield,…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

 		1991
Acid rain since 1985 - times are changing

Brydges, T.…

1991
Environmental Health Criteria 125 Platinum

WHO,

 		1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

1991
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation

Van der…

1991