=LDR 00000nam a2200000ui 4500 =001 5360 =008 250530s1994\\\\xx\|||||||||||||||||eng\d =082 04$a1994 DOH =100 1\$aDoherty, Maria =245 10$aA study of polychlorinated biphenyls (PCBs) and their occurance in mackerel, Scomber scombrus L., off the west coast of Ireland =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1994 =852 \\$bFreeman Library$cTheses$h1994 DOH