Question: 1. H. V. Jagadish and Xiaolei Qian. "Integrity Maintenance in an Object-Oriented Database." Proc. 18th International Conference on Very Large Data Bases, Vancouver, Canada (August 1992). Proposes a declarative integrity mechanism for 00 systems, showing how an integrity constraints compiler can incorporate the necessary integrity checking code into methods for the appropriate object classes.
2. Bjarne Stroustrup. The C++ Programming Language. Reading, Mass.: Addison-Wesley (1986).