J. Kroeze, M. Matthee, и T. Bothma. SAICSIT '03: Proceedings of the 2003 annual research conference of
the South African institute of computer scientists and information
technologists on Enablement through technology, стр. 93--101. South African Institute for Computer Scientists and Information Technologists, (2003)
C. Faloutsos, и K. Lin. Proceedings of the 1995 ACM SIGMOD International Conference on
Management of Data, стр. 163--174. San Jose, California, (22--25~ 1995)