Geographical information systems and sciencede Paul LongleyMateriasGeographic information systemsPhotogrammetrieCartographieSystemes d'informationGeoprocessamentoSysteme on-lineGeografische informatiesystemenSistema de informacʹao geograficaSystemes d'information geographiqueSIG = Systemes d'information geographique
TThe impact of green belt designation upon urban formThe impact of green belt designation upon urban form