Title Authors Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation

Faafeng, B…

1993
Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd.

Hallbdcken…

1992
Effects of Ionising Radiation on Plants and Animals at levels implied by Current Radiation Protection Standards

IAEA,

 		1992
Effects of a short ozone exposure given at different stages in the development of Plantago major L.

Reiling, K…

1992
The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria

Beattie, R.…

1992
Ecophysiological effects of acid rain on bryophytes and lichens

Farmer, A.M…

1992
Changes in the Duch bryophyte flora and air pollution

Greven, H.C…

1992
Effects of Nitrogen-Oxides on Nitrate Assimilation in Bryophytes

Morgan, S.M…

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

…

1992
Lichen Flora of Great Britain and Ireland

Purvis, O.W…

1992