GeO<sub>2</sub>: Why Objects in a Geographical DBMS?

http://dx.doi.org/10.1007/3-540-56869-7_15 Benoit David Laurent Raynal Guylaine Schorter Véronique Mansart GeO<sub>2</sub>: Why Objects in a Geographical DBMS? 264-276 SSD/1993/P264.pdf 1993 conf/ssd/93 SSD db/conf/ssd/ssd93.html#DavidRSM93