=LDR 22 4500 =001 696 =082 04$a1994 BRI =100 1\$aBriody, Mary =245 10$aCharacteristics of fresh water fish farm effluents in Ireland =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1994 =650 \0$aTheses =852 \\$bFreeman Library$h1994 BRI