=LDR            22        4500
=001  4337
=082  04$a1997 WAL
=100  1\$aWalsh, Aine
=245  10$aA pollution assessment of the Boyne estuary
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1997
=650  \0$aTheses
=852  \\$bFreeman Library$h1997 WAL