1. A simple, general structure for temporal domains;Clifford,1988
2. Managing temporal financial data in an extensible database;Chandra,1993
3. Implementing calendars and temporal rules in next generation databases;Chandra,1994
4. An object-oriented data model for a time series management system;Dreyer,1994
5. Research perspectives for time series manegement systems;Dreyer;ACM SIGMOD Record,1994