1. Integrating concurrency control into an object-oriented database system;Cart,1990
2. A Non-restrictive concurrency control for object-oriented databases;Agrawal,1992
3. Concurrency Control and Recovery in Database Systems;Bernstein,1987
4. Principles of Distributed Database Systems;Ozsu,1991
5. Controlling concurrent accesses in an object-oriented envirownent;Malta,1992