=LDR 22 4500 =001 2821 =082 04$a1988 WAR =100 1\$aWard, Julia =245 10$aThe incidence of larvae in the fruit of the ash tree =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1988 =650 \0$aDissertations =852 \\$bStaff Coffee Room$h1988 WAR