=LDR 22 4500 =001 1550 =082 04$a1992 MOY =100 1\$aMoynihan, Maeve =245 10$aEmerging issues for the microbiology of drinking water =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1992 =650 \0$aTheses =852 \\$bFreeman Library$h1992 MOY