Foreword (G. de Vergottini). - I Countries of the former Soviet Union (G. Harutyunyan, B. Strashun, P. Martinenko, M. Ganino, A. Di Gregorio). - II Countries of the Balkans (N. Maziau, S. Baric, S. Shkarich, A. Mavcic, P. Nikolic). - III Countries of Central Europe (A. Adam, W. Sokolewicz, K. Klíma, C. Doldur, A. Rinella). - Concluding Remarks (S. Bartole).