[MSDN Library April 2000] IUnknown Functions (100%)
MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Appendixes > Functionality Groups > Function Groups
[MSDN Library April 2000] IUnknown (32.0614035087719%)
MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual C++ Documentation > Reference > Microsoft Foundation Class Library and Templates > Active Template Library > Articles > Introduction to COM and ATL > Introduction to COM
[MSDN Library April 2000] IUnknown Special Case (28.1415343915344%)
MSDN Library - April 2000 > Platform SDK > Management Services > Windows Management Instrumentation > WMI Development Environment > Using DCOM Security from WMI > DCOM Security Advanced Details
[MSDN Library April 2000] IUnknown::AddRef (26.1111111111111%)
MSDN Library - April 2000 > Platform SDK > Component Services > COM > COM Fundamentals > Reference > Interfaces > IUnknown
[MSDN Library April 2000] IUnknown::Release (26.1111111111111%)
MSDN Library - April 2000 > Platform SDK > Component Services > COM > COM Fundamentals > Reference > Interfaces > IUnknown