International Symposium on Computer-Assisted Cartography.International Symposium on Computer-Assisted Cartography (7th : 1985 : Wash.)：Auto-Carto 7 : proceedings : Digital representations of spatial knowledge.ASP,1985.
International Symposium on Computer-Assisted Cartography (7th : 1985 : Wash.)：Auto-Carto 7 : proceedings : Digital representations of spatial knowledge
International Symposium on Computer-Assisted Cartography.ASP,1985.
