%0 Journal Article %J Environmental Pollutution (Nitrogen Conference Special Issue) %D 1998 %T Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems %A Fowler, D. %A Sutton, M.A. %A Smith, R.I. %A Pitcairn, C.E.R. %A Coyle, M. %A Campbel,l G. %A Stedman, J. %B Environmental Pollutution (Nitrogen Conference Special Issue) %V 102 %P 337-342 %& 1