You'll also find some confusing numbers in the following document: http://www.slac.stanford.edu/~sacco/crosfeedprob.pdf Cheers, Roberto On 20 May 2008, at 15:23, Nicola Gagliardi wrote: > here you can find my small talk: > > http://www.slac.stanford.edu/~gaglio/Vub19Aprile.pdf > > Cheers > Nicola >