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
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
The Distribution and Breeding Site Characteristics of Newts in Cumbria, England.

Denton, J.S…

1991
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991
Nitrate in soil water

Westling, O…

1991
The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system

Meharg, A.…

1991