1. J.F. Allen, P.J. Hayes, “A Common-sense Theory of Time”, Proceedings of the International Joint Conference on Artificial Intelligence, August 1985.
2. T. Bozkaya, “Index Structures for Temporal and Multimedia Databases”, PHD Thesis, CES Dept., Case Western Reserve University, Cleveland, Ohio, May 1998.
3. B. Becker, S. Gschwind, T. Ohler, B. Seeger, P. Widmayer, “On Optimal Multiversion Access Structures”, Proceedings of Symposium on Large Spatial Databases, in LNCS, Vol 692, pages 123–141, Singapore 1993.
4. T. Bozkaya, M.Ozsoyoglu, “Indexing Transaction Time Databases”, to appear in Information Sciences.
5. T. H. Cormen, C. E. Leiserson, R.L. Rivest “Introduction to Algorithms”, MCGraw-Hill 1992.