[MSDN Library April 2000] IUnknown::AddRef (15%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Interfaces > IUnknown
[MSDN Library April 2000] IUnknown::Release (14.8161764705882%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Interfaces > IUnknown
[MSDN Library April 2000] IUnknown::QueryInterface (13.9583333333333%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Interfaces > IUnknown
[MSDN Library April 2000] IUnknown (11.3541666666667%)
MSDN Library - April 2000 > Platform SDK > Component Services > COM > COM Fundamentals > Reference > Interfaces
[MSDN Library April 2000] IUnknown: The Root of All Evil (9.94791666666667%)
MSDN Library - April 2000 > Books > Inside OLE > Chapter 2 Objects and Interfaces