=LDR 22 4500 =001 3950 =082 04$a1991 MAL =100 1\$aMaloney, Denise =245 10$aNutrient levels in water and sediments under freshwater salmon cages =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1991 =650 \0$aTheses =852 \\$bFreeman Library$h1991 MAL