=LDR 22 4500 =001 3760 =082 04$a1994 CAL =100 1\$aCallan, F. J. =245 10$aThe morphology of a drumlin field =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1994 =650 \0$aDissertations =852 \\$bFreeman Library$h1994 CAL