ESRI. Web-based solutions by ESRI. http://esri.com/ims, 12 Mar 02.

ESRI. (2001) What is ArcGIS? Redlands: ESRI.

ESRI Virtual Campus. http://campus.esri.com, 12 Mar 02

Ivation Datasystems Inc. (1996) Beyond 20/20 QuickStart Guide.

Ivation Datasystems Inc. (1998) Beyond 20/20 Version 5.0 User's Guide.

MacDonald, A. (2001) Building a Geodatabase. Redlands: ESRI.

Martin, D., J. Harris, J. Sadler and N. Tate. (1998) Putting the census on the web: lessons from two case studies. Area, 30.4, 311-320.

Minami, M., M. Sakala and J. Wrightsell. (1999) Using ArcMap. Redlands: ESRI.

Rhind, D.W., E. Hayes-Hall, H.M. Mounsey and S. Openshaw. (1989) An on-line, secure and infinetely flexible data bases system for the national population census. Auto-carto 9. Proc. Symposium, 684-696.

Senn, J. A. (1989) Analysis and Design of Information Systems. Second Edition. Singapore: McGraw-Hill, Inc.

Statistics Canada. (1999) 1996 Census Dictionary.

Tucker, C. (1999) Using ArcToolbox. Redlands: ESRI.

United States Census Bureau. American FactFinder. http://factfinder.census.gov/servlet/BasicFactsServlet?_basicfacts=1&_mult1=223 14622&_geo2=ST- 2&_current=&_action=_SLSelected&_child_geo _id=undefined&_lang=en, 15 Mar 02.

University of Virginia. Public Use Microdata Files. http://fisher.lib.virginia.edu/pums/sub/home.html,
15 Mar 02a.

University of Virginia. County and City Databooks. http://fisher.lib.virginia.edu/ccdb/, 15 Mar 02b.

Vienneau, A. (1999) Using ArcCatalog. Redlands: ESRI.

Zeiler, M. (2001) Exploring ArcObjects Vol. 1 - Applications and Cartography. Redlands, ESRI.