Young, S. 2006: Monitoring air pollution with tree twig lichens in the Ryazan Region with students from Russian schools. - British Lichen Society Bulletin99: 9-14. [RLL List # 206 / Rec.# 29376] Keywords: AIR POLLUTION/ RUSSIA/ EDUCATION PROJECT
Abstract: [Report on activities in Shilovo, Russia, about 200 km SE of Moscow.