=LDR 22 4500 =001 1710 =082 04$a2004 O'D =100 1\$aO'Driscoll, David =245 10$aThe evaluation of glacial landforms under threat =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2004 =650 \0$aDissertations =852 \\$bFreeman Library$h2004 O'D