Dobson, FS 1997: Lichens on man-made surfaces. Encouragement and Removal. - British Lichen Society, London. 4 unnumbered pp. [RLL List # 167 / Rec.# 4434] Keywords: BIODEGRADATION/ COLONIZATION/ CULTIVATION/ GARDENS/ MAN-MADE SUBSTRATES/ REMOVAL
Abstract: [Leaflet for popular distribution; received with British Lichen Society Bulletin No. 80.]