%0 Book %E Aherne, J. (Julian) %E Farrell, E. P. %E Ireland. Environmental Protection Agency. %I E.P.A. %D 2000 %C Wexford %G English %B Environmental research (Environmental Protection Agency). R&D report series; %@ 1840950358 %T Critical loads and levels : determination and mapping of critical loads for sulphur and nitrogen and critical levels for ozone in Ireland : final report