Gilbert, OL 1965: Lichens as indicators of air pollution in the Tyne Valley. - In: : Ecology and the Industrial Society [Fifth Symposium of the British Ecological Society]. . Blackwell Scientific Publications, Oxford pp. 35-47. [RLL List # 54 / Rec.# 6612] Keywords: AIR POLLUTION/ TYNE VALLEY/ BRITISH ISLES
Abstract: 3 fig. 2 tab.