[MSDN Library June 1998] Available Bytes and the Inetinfo Working Set (64.6096096096096%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 1 > Chapter 5 - Monitoring Virtual Memory > Monitoring the Working Set of the IIS Process > Analyzing the Working Set Data