I did run across the Computer Conservation Society in the UK.
The bottom of their links page looks to have some good sources:
http://www.computerconservationsociety.org/links.htm
--------
Paul Anderson -- VE3HOP
On 2012-08-12, at 1:14 PM, William Donzelli <wdonzelli at gmail.com> wrote:
The problem is
that the document does not take the effects of leaving it idle into account.
That specific document*, yes - but I am sure with a bit more Google
you can find studies concerning semiconductor shelf life as well.
(find it yourselves)