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

Beattie, R.…

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
Effects of ionising radiation on aquatic organisms

National…

1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.

McLeod, A.R…

1991
Comparisons of 3 Woodland Sites in NW Britain Differing in Richness of the Epiphytic Lobarion-Pulmonariae Community and Levels of Wet Acidic Deposition

Farmer, A.M…

1991
Mechansims of adaptions of plants to acid soils

Marschner,…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

 		1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

1991