=LDR            22        4500
=001  3901
=082  04$a1983 THO
=100  1\$aThorn, Richard M. H.
=245  10$aNitrate leaching in the unsaturated zone with particular reference to the Republic of Ireland
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1983
=650  \0$aTheses
=852  \\$bFreeman Library$h1983 THO