@inbook {750, title = {The British Oak}, year = {1974}, pages = {250-273}, publisher = {Botanical Society of the British Isles.}, organization = {Botanical Society of the British Isles.}, chapter = {The Epiphytes of Oak}, author = {Rose, F. and Morris, M.G. (Eds) and Perring, F.H. (Eds)} } @article {235, title = {Lichens as Pollution Monitors}, year = {1970}, institution = {Edward Arnold}, address = {London}, author = {Hawksworth, D.L. and Rose, F.} } @article {607, title = {Qualitave scale for estimating sulphur dioxoide in air pollution in England and Wales using epiphytic lichens}, journal = {Nature}, volume = {227}, year = {1970}, pages = {145-148}, author = {Hawksworth, D.L. and Rose, F.} }