=LDR 22 4500 =001 312 =082 04$a2004 BYR =100 1\$aByrne, Deirdre =245 10$aAn assessment of the Avoca River, Co. Wicklow utilising biological and chemical data =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2004 =650 \0$aTheses =852 \\$bFreeman Library$h2004 BYR