On May 23, 2008, at 18:56 , ? ?? wrote: > I wondering what is meaning that you said "in the > limits of the RBA" ?
the A of RBA stands for "Approximation". What are the limits of an approximation? sometimes it doesn't approximate well. --- Paolo Giannozzi, Dept of Physics, University of Udine via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222
