1. Astrahan, M.M., et al., System R: Relational Approach to Database Management, ACM TODS Vol.1 No.2, 1976
2. Beeri, C., Bernstein, P.A., Goodman, N., A Model for Nested Transactions Systems, Technical Report, Hebrew University, 1987
3. Beeri, C., Bernstein, P.A., Goodman, N., Lai, M.-Y., Shasha, D.E., A Concurrency Control Theory for Nested Transactions, Proc. 2nd ACM Symp. on Principles of Distributed Computing, 1983
4. Bernstein, P.A., Hadzilacos, V., Goodman, N., Concurrency Control and Recovery in Database Systems, Addison-Wesley Publ., 1987
5. Böttcher,S., Jarke, M., Schmidt, J.W., Adaptive Predicate Managers in Database Systems, Proc. 12th VLDB Conference, 1986