Johann Kempe Wolfgang L. J. Kowarschick Werner Kießling Robert Hitzelberger Felix Dutkowski Benchmarking Object-Oriented Database Systems for CAD 167-176 conf/dexa/95 DEXA 1995 db/conf/dexa/dexa95.html#KempeKKHD95 http://dx.doi.org/10.1007/BFb0049115