Udo W. Lipeck Karl Neumann Modelling and Manipulating Objects in Geoscientific Databases. 67-85 1986 ER db/conf/er/er86.html#LipeckN86 conf/er/86 er86/ER86-P067.pdf db/conf/er/LipeckN86.html conf/btw/Appelrath85a ... conf/btw/85 ... ... books/el/Ceri83 journals/tods/Chen76 conf/er/81 journals/tods/Codd79 books/aw/Date81 ... journals/insk/DittrichKML85 ... ... conf/er/ElmasriW81 journals/dke/ElmasriWH85 ... ... ... ... conf/btw/HarderR85 ... conf/btw/LukeB85 ... books/sp/kimrb85/LorieKMPM85 ... conf/sigmod/Neumann83 journals/csur/NagyW79 conf/vldb/PistorA86 conf/icde/ParentS84 ... ... ... conf/vldb/SchekP82 conf/sigmod/StonebrakerRG83 journals/tods/SmithS77 journals/is/SchekS86 ... journals/tods/StonebrakerWKH76 ... books/cs/Ullman82 ...