=LDR 22 4500 =001 3018 =082 04$a1984 EAR =100 1\$aEarley, John Joseph =245 10$aAn investigation into the organo-chlorine pesticides and polychloro-biphenyl levels in cormorant and shag eggs =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1984 =650 \0$aTheses =852 \\$bGeography Basement$h1984 EAR