[MSDN Library June 1998] 2.5.5 AT Disk Driver's Device and Controller Objects (74.100145137881%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Kernel-Mode Drivers > Design Guide > Chapter 2 Layered I/O, IRPs, and I/O Objects > 2.5 NT Objects with Device, Configuration, or Layer Dependencies