=LDR            22        4500
=001  5341
=082  04$a1996 BEC
=100  1\$aBeckett, Brian
=245  10$aA study of eutrophication problems in the Royal Canal with special reference to environmental management
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1996
=650  \0$aTheses
=852  \\$bGeography Basement$h1996 BEC