RT Journal Article SR Electronic A1 Strusková, Eva T1 Polyekran on Expo 1958 in Brussels JF Iluminace YR 2008 VO 20 IS 3 SP 205 OP 206 UL https://iluminace.cz/en/artkey/ilu-200803-0014.php AB Creation and creators of a musical and pictorial composition called Prague Spring, created for presentation at the World Expo 58 in Brussels. The technical realization of Polyekran and its responses.