International Conference Heavy Quarks at Fixed Target, 9-12 October, 2000, Rio de Janeiro, Brazil;
transparencies of my talk
contribution to the proceedings

International Europhysics Conference on High Energy Physics, 12-18 July, 2001, Budapest, Hungary;
transparencies of my talk
contribution to the proceedings

International Conference Flavour Physics and CP Violation, 3-6 June, 2003, Paris, France;
transparencies of my talk
contribution to the proceedings

International Conference on Hadron Spectroscopy, 31 August-6 September, 2003, Aschaffenburg, Germany;
transparencies of my talk
contribution to the proceedings

International Conference 'Heavy Quarks and Leptons', June 1 - June 5, 2004, San Juan, Puerto Rico;
transparencies of my talk
contribution to the proceedings

XI International Conference on Hadron Spectroscopy - Hadron05, August 21 - August 26, 2005, Rio de Janeiro, Brazil;
transparencies of my talk
contribution to the proceedings