=LDR 22 4500 =001 3039 =082 04$a1997 NIC =100 1\$aNicAonghusa, Caitriona =245 10$aAn investigation of laundry detergents as a source of heavy metals to wastewater =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1997 =650 \0$aTheses =852 \\$bGeography Basement$h1997 NIC