Steve Ford John Joseph David E. Langworthy David F. Lively Girish Pathak Edward R. Perez Robert W. Peterson Diana M. Sparacin Satish M. Thatte David L. Wells Sanjive Agarwala ZEITGEIST: Database Support for Object-Oriented Programming. 23-42 1988 OODBS db/conf/oodbs/oodbs88.html#FordJLLPPPSTWA88