=LDR 22 4500 =001 4562 =082 04$a580.28 GRE =100 1\$aGreig-Smith, P. =245 10$aQuantitative Plant Ecology =260 \\$aLondon :$bButterworths,$c1964 =650 \0$aBooks =852 \\$bFreeman Library$h580.28 GRE