=LDR 22 4500 =001 917 =082 04$a1992 HAL =100 1\$aHallahan, Michele =245 10$aA comparison of the composition of organically and conventionally grown vegetables =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1992 =650 \0$aTheses =852 \\$bFreeman Library$h1992 HAL