Heres a pretty darn good illustrated presentation for decoction.
It gets a bit technical in places, but more than makes up for it with some KISS notations.
http://www.feathercraft.net/decoction/documents/DecoctionMashingfortheHomebrewer.pps
It gets a bit technical in places, but more than makes up for it with some KISS notations.
http://www.feathercraft.net/decoction/documents/DecoctionMashingfortheHomebrewer.pps