%0 Journal Article %T Algorithm 3: A Procedure to Generate Pseudo-Random Aggregations of N Zones into M Zones, Where M is Less Than N %A Openshaw, S %A Baxter, R S %J Environment and Planning A %V 9 %N 12 %P 1423-1428 %@ 0308-518X %D 1977-12-01 %I SAGE Publications %~ DeepDyve