Can't remember right off hand where all I've read it before as I've read a LOT of scattered reviews, but here's one link where I've recently read it. (it's in the first sentence of the answer)
http://www.chineseop.com/wine/What-a...s-to-age-.html
Here it is mentioned in a CI product description.
http://www.cigarsinternational.com/p...sp?item=CS-XXA
I've never had the latter so I can't comment on any effects.