Source distributions of the latest maintenance release of R, R 2.14.1, are now available. Binary distributions will begin appearing on local CRAN mirrors in the next few days. This update makes a few small improvements (such as the ability to accurately count the number of available cores for parallel processing on Solaris and Windows,...

Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).