1. 1. T. C. Bell. et al.: Data Compression in Full-Text Retrieval Systems, Journal of the American Society for Information Science. 44(9), 1993, pp.508–531.
2. 2. J. Dvorský, V. Snášel, J. Pokorný: Word-based Compression Methods for Text Retrieval Systems. Proc. DATASEM'98, Brno 1998
3. 3. J. Dvorský, V. Snášel, J. Pokorný. Word-based Compression Methods for Large Text Documents. Data Compression Conferencs-DCC '99, Snowbird, Utah USA.
4. 4. W. F. Frakes, R. B. Yates Ed.: Information Retrieval, Data Structures & Algorithms. Prentice Hall 1992
5. 5. G. H. Gonnet, R. Beaza-Yates: Handbook of Algorithms and Data Structures. Addison-Wesley Publishing, 1991