=LDR            22        4500
=001  4347
=082  04$a1997 O'B
=100  1\$aO'Brien, Anne
=245  10$aThe pollution status of the Dodder estuary
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1997
=650  \0$aTheses
=852  \\$bGeography Basement$h1997 O'B