More statistical modelling

Have a look at this paper from Samsudin et al. in the Solid-State Journal. If you are interested in statistical variations (and perhaps you should...), it is a nice reading.

BSIM5

I've been having a look at the Solid-State Journal, and I've found a very interesting paper from Jin He et al. They present a charge based model: BSIM5. I strongly recommend having a look at the paper, since it is from a quite good guy and the topic is, at least, important.