+ . http://www.sentinelchicken.com/data/TheWindowsNTRegistryFileFormat.pdf
+ . editreg program from Samba - this program was removed in later
+ versions of Samba, so you have to go back in the source repository
+ to find it (GPLv2+)
+ . http://amnesia.gtisc.gatech.edu/~moyix/suzibandit.ltd.uk/MSc/
+ . reverse engineering the format (see hivex/tools/visualizer.ml)