1. Alston, R. and Donelan, D. (1993). Weighing the benefits of GIS. American City & County, 1993, Vol.108, No. 11, 14.
2. American City & County (1994). GIS assists Texas town in meeting NPDES regulations. American City & County, 1994, 62.
3. American City & County (1993). CAGIS restores order to Cincinnati infrastructure. American City & County, 1993, 24.
4. American City & County (1991). Albuquerque integrates GIS to meet needs. American City & County, 1991, 30.