Items where Research Program is "Forestry (FOR)" and Year is 1991

Nilsson, S. (1991). European Forest Decline: The Effects of Air Pollutants and Suggested Remedial Policies. Stockholm: The Royal Swedish Academy of Agriculture and Forestry.

Nilsson, S. & Pitt, D.C. (1991). Mountain World in Danger: Climate Change in the Forests and Mountains of Europe. London: Earthscan Publications Ltd. ISBN 1-85383-118-2