On Thu, Jul 7, 2011 at 11:07 AM, Yuri <yuri.pompeu at ufl.edu> wrote: > Could someone please point me toward a good paper on NCS? I'm repeating myself, but: http://www.ncbi.nlm.nih.gov/pubmed/8590014 and: http://www.ncbi.nlm.nih.gov/pubmed/15299650 -Nat