[MSDN Library June 1998] IGMP Query Times Out in Windows 95 with Winsock2 Update (8.1986531986532%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 95.x Retail Product
[MSDN Library June 1998] IGMP Group members Do Not Respond to IGMP Group Query Frames (7.08333333333333%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows NT