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View Full Version : PD Change Diagram - Anyone know the source Pls ?



passing
30-04-2009, 08:59 PM
Can anyone please help me by identifying the source of this diagram please ?

I found it on another site http://uk-mkivs.net/forums/p/194092/1260179.aspx
but the author seems no longer to be active. It might become useful as "evidence" !
Thanks all