Forest declines

Ill winds: airborne pollution's toll on trees and crops

James J. MacKenzie, Mohamed T. El-Ashry.

Forest Decline and Ozone: A Comparison of Controlled Chamber and Field Experiments (Ecological Studies)

Heinrich Sandermann, Alan Wellburn

Forest decline and air pollution: a study of spruce (Picea abies) on acid soils

edited by E.-D. Schulze, O.L. Lange, R. Oren.

An abrupt mid-Holocene decline of Pinus sylvestris in Glen Torridon, north west Scotland: implications for palaeoclimatic change

David Anderson.

Air pollution, acid rain, and the future of forests

Sandra Postel.

Forest decline and atmospheric deposition effects in the French mountains

G. Landmann, M. Bonneau, eds.

Hemlock: a forest giant on the edge

David R. Foster, editor, [and eight others] ; Stephen Long, consulting editor

The Dying of the Trees

Charles E. Little

Forest Health Report 1991: Technical Report on the 1990 Survey

Luxembourg. Commission of the European Communities (EEC). Directorate-General for Agriculture.

Monitoring of Forest Condition in Great Britain, 1989 (Forestry Commission Bulletin)

McNally & co. [from old catalog] Rand, R. C. Boswell, Great Britain., J. L. Innes