1. Temporal aspect of logical procedure definition;Sernadas;Inform. Systems,1980
2. I. M. V. Castilho, M. A. Casanova and A. Furtado. A temporal framework for database specification, Proc. 8th, VLDB, pp. 280â291 (1982).
3. D. H. Kung. A temporal framework for database specification and verification, Proc. 10th, VLDB, pp. 91â99 (1984).
4. H. Sakai and Horiuchi. A transaction modelling of a logical design of database, DBMS Technical report, Information Processing Society of Japan (1985).