=LDR 22 4500 =001 6698 =082 04$a2016 SMI =100 1\$aSmith, Roisin Dowd =245 10$aInvestigation into the Sources and Pathways of Nitrate Contamination in a Group Water Supply Scheme in Cullahill Co. Laois =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2016 =650 \0$aTheses =852 \\$bFreeman Library$h2016 SMI