@article {245, title = {Traffic exposure increases natural 15N and heavy metal concentrations in mosses}, journal = {New Phytologist}, volume = {147}, year = {2000}, pages = {317-326}, author = {Pearson, J. and Wells, D.M. and Seller, K.J. and Bennett, A. and Soares, A. and Woodall, J. and Ingrouille, M.J.} }