%0 Book %B Britain %D 1996 %T Red Data Books of Britain and Ireland: lichens %A Church, J.M. %A Coppins, B.J. %A Gilbert, O.L. %A James, P. %A Stewart, N.F. %B Britain %I Joint Nature Conservation Committee %C Peterborough %V 1 %0 Journal Article %J Environmental Pollution %D 1986 %T Field evidence for an acid rain effect on lichens %A Gilbert, O.L. %B Environmental Pollution %V 40 %P 227-231 %0 Journal Article %J Environmental Pollution (Series A) %D 1985 %T Environmental effects of airborne fluorides for aluminium smelting at Invergordon, Scotland 1971-1983 %A Gilbert, O.L. %B Environmental Pollution (Series A) %V 39 %P 293-302 %0 Journal Article %J New Phytologist %D 1968 %T Bryophytes as indicators of air pollution in the Tyne valley %A Gilbert, O.L. %B New Phytologist %V 69 %P 629-634 %0 Report %D 1965 %T Lichens as indicators of air pollution in the Tyne Valley %A Gilbert, O.L. %E Goodman, G.T. %E Edwards, R.W. %E Lambert, J.M. %B Ecology and the Industrial Society, 5th Symposium of the British Ecological Society %P pp35-49