Seaward, MRD 1976: Lichens in air-polluted environments: multivariate analysis of the factors involved. - In: L. Karenlampi (ed.): Proceedings of the Kuopio Meeting on Plant Damages Caused by Air Pollution. . University of Kuopio, Kuopio, Finland pp. 57-63. [RLL List # 96 / Rec.# 16915] Keywords: AIR POLLUTION/ MULTIVARIATE ANALYSIS