@article {568, title = {Seasonal variations in acidic pollutant inputs and their effects on the chemistry of stemflow, bark and epiphyte tissues in three oak woodlands in N.W. Britain}, journal = {New Phytologist}, volume = {118}, year = {1991}, pages = {441-451}, author = {Farmer, A.M. and Bell, J.N.B. and Bates, J.W.} }