The Consensus Glossary of Temporal Database Concepts - February 1998 Version

Б1.5, Б5.2.

Jensen C. S., Dyreson C. E., Bohlen M., Clifford J., Elmasri R., Gadia S. K., Grandi F., Hayes P., Jajodia S., Kafer W., Kline N., Lorentzos N., Mitsopoulos Y., Montanari A., Nonen D., Peressi E., Pernici B., F Roddickj., Sarda N. L., Scalas M. R., Segev A., Snodgrass R. T., Soo M. D., Tansel A..

The Consensus Glossary of Temporal Database Concepts - February 1998 Version// Lecture Notes in Computer Science-1998.-Vol. 1399.-P.367-405.