12th European congress of sport psychology "Sport and exercise psychology bridges between disciplines and cultures" : [elektronický zdroj] contents of long papers / editor by Yannis Theodorakis, Marios Goudas & Athanasios Papaionnou.    University of Thessaly (Volos, Řecko.12th European congress of sport psychology.  Thessaly :  University of Thessaly ,[c2007] . 1 elektronický optický disk (CD-ROM)