Qualitave scale for estimating sulphur dioxoide in air pollution in England and Wales using epiphytic lichens

TitleQualitave scale for estimating sulphur dioxoide in air pollution in England and Wales using epiphytic lichens
Publication TypeJournal
Year of Publication1970
AuthorsHawksworth, DL, Rose, F
Journal/BookNature
Volume227
Pagination145-148