=LDR 22 4500 =001 5470 =082 04$a711.40941 CHA =100 1\$aChadwick, George =245 10$aA Systems view of planning: towards a theory of the urban and regional planning process =260 \\$aOxford :$bPergamon Press,$c1971 =650 \0$aBooks =852 \\$bFreeman Library$h711.40941 CHA