Who's who in mass communication / ed. by Sylwester Dziki, Janina Maczuga, Walery Pisarek ; forewords by Walery Pisarek and Jörg Becker ; database indexed by Frank-Michael Bahr ; The Press Research Centre, Cracow on behalf of the International Association for Mass Communication Research Bibliographical Section. - Becker, Jörg (1946- ).; Bahr, Frank-Michael (1958- ). (K. G. Saur, 1990)