=LDR 22 4500 =001 910 =082 04$a1993 DON =100 1\$aDonnelly, Alison =245 10$aA comparison of epicuticular wax of Pinus sylvestris needles from three sites in Ireland =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1993 =650 \0$aTheses =852 \\$bFreeman Library$h1993 DON