1. Complete inverted files for efficient text retrieval and analysis;Blumer;J. ACM,1987
2. M. Burrows, D.J. Wheeler, A block-sorting lossless data compression algorithms, Technical Report 124, Digital SRC Research Report, 1994
3. Elements of Information Theory;Cover,1991
4. Direct construction of compact directed acyclic word graphs;Crochemore,1997
5. Universal codeword sets and representation of the integers;Elias;IEEE Trans. Inform. Theory,1975