Whitepaper entitled Windows Vista 64bits And Unexported Kernel Symbols.
You can download it from the following link: https://packetstormsecurity.com/files/download/53370/Windows_Vista_64bits_and_unexported_kernel_symbols.pdf
Source: https://packetstormsecurity.com/files/53370/Windows_Vista_64bits_and_unexported_kernel_symbols.pdf.html