1. (1884). Flatland: A romance of many dimensions. London: Seeley.
2. (1979). Managing the flow of technology: Technology transfer and the dissemination of technological information within the research and development organizations. Cambridge, MA: MIT Press.
3. American Library Association. (2002). Anglo-American Cataloguing Rules (2nd ed., 2002 rev.). Chicago: ALA, Joint Steering Committee for Revision of AACR.
4. Association for Computing Machinery (ACM) Special Interest Group on Management of Data (SIGMOD). (n.d.).
5. Retrieved July 15, 2004, from http://www.acm.org/sigmod/