1. Distributed Databases: Principles and Systems;Ceri,1984
2. A methodology for structured database decomposition;Chang;IEEE Trans. Software Engng.,1980
3. Distributed database design methodologies;Ceri,1987
4. Optimal file allocation in a multiple computer system;Chu;IEEE Trans. Comput.,1969
5. Allocation of copies of a file in an information network;Casey,1972