Ralf Hartmut Güting Markus Schneider Realm-Based Spatial Data Types: The ROSE Algebra VLDB J. 4 2 1995 243-286 VLDBJ4/P243.pdf db/journals/vldb/vldb4.html#GutingS95 db/journals/vldb/GutingS95.html conf/btw/Bancilhon89 conf/dbpl/BancilhonCD89 books/mk/BancilhonDK92 journals/tods/BeckerG92 journals/tc/BentleyO79 conf/ssd/EgenhoferFJ89 ... journals/is/GarganoNT91 conf/focs/GreeneY86 conf/edbt/Guting88 ... conf/vldb/Guting89 conf/sigmod/Guting93 conf/ssd/GutingRS95 conf/ssd/GutingS93 conf/vldb/HenrichSW89 journals/tse/JosephC88 conf/er/LipeckN86 journals/cacm/NievergeltP82 journals/tse/OrensteinM88 ... ... ... journals/tse/RoussopoulosFS88 conf/btw/SchekW91 conf/ssd/SchollV89 conf/ssd/SvenssonH91 books/ph/Tomlin90 ...