Hi
>
> I am just wondering where I can get detailed description of the FD and LR
> methods used for vibrational analysis in CPMD, for example, the original
> references. Thanks a lot.
>
See Reference 94 in the manual
\bibitem{apdsmp} A. Putrino, D. Sebastiani and M. Parrinello,
J. Chem. Phys. {\bf 113}, 7102 (2000)
regards
Juerg Hutter