=LDR 22 4500 =001 1482 =082 04$a2002 ROC =100 1\$aRoche, Nicola =245 10$aThe effect of detergent zeolites on wastewater treatment =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2002 =650 \0$aTheses =852 \\$bFreeman Library$h2002 ROC