=LDR 22 4500 =001 1990 =082 04$a307.1 COW =100 1\$aCowan, Peter =245 10$aThe Future of planning: a study sponsored by the Centre for Environmental Studies =260 \\$aLondon :$bHeinemann,$c1973 =650 \0$aBooks =852 \\$bFreeman Library$h307.1 COW