1. c,b quark masses and f,f decay constants from pseudoscalar sum rules in full QCD to order α2
2. E. Charles, this proceedings; L. Lista, HEP-MAD 04 International Conference, 27 Sept - 4 Oct. 2004, Antananarivo — Madagascar; For the BELLE Collaboration: R. Seuster: this proceedings
3. See e.g.: C. Quigg [HEP-PH 0411058] and references therein; M. Rho, [HEP-PH 0402015] and references therein; D. Becirevic, S. Fajfer and S. Prelovsek, [HEP-PH 0406296].