title: realm-based spatial data types : the rose algebra vldb j.. authors: r gќting , m schneider. venue: nan. year: 1995.0
title: realm-based spatial data types : the rose algebra . fernuniversitã $ t hagen , report 141 , 1993 , to rh gã 1/4 ting , m schneider vldb. authors: nan. venue: nan. year: nan