Hawksworth, DL/ Rose, F/ Coppins, BJ 1973: Changes in the lichen flora of England and Wales attributable to pollution of the air by sulphur dioxide. - In: B. W. Ferry, M. S. Baddeley & D. L. Hawksworth (eds.): Air Pollution and Lichens. . University of Toronto Press, Toronto pp. 330-367. [RLL List # 86 / Rec.# 7915] Keywords: AIR POLLUTION/ BRITISH ISLES
Abstract: 10 fig. 4 tab.