=LDR 22 4500 =001 3046 =082 04$a2000 FIT =100 1\$aFitzgerald, Aodhan =245 10$aAn investigation of the heavy metal content of Irish sewage sludges =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2000 =650 \0$aTheses =852 \\$bFreeman Library$h2000 FIT