over time the connection between place of work and place of residence further eroded as people began to change employers with greater frequency development and administration of prague university of amsterdam amsterdam netherlands sykora l j kamenicky and p hauptmann changes in the spatial structure of prague and brno in the s acta universitatis carolinae geographica vol the planned economy had focused on expanding large machinery manufacturing facilities and other forms of industry and on constructing large residential complexes of relatively small apartments sykora kamenicky and hauptman sykora and mulicek