Fankhauser, P.P.FankhauserFinance, B.B.FinanceKlas, W.W.Klas2022-03-092022-03-091996https://publica.fraunhofer.de/handle/publica/32749910.1007/BFb0014173en004005400IRO-DB: Making relational and object-oriented database systems interoperableconference paper