New Patterns of Musical Behaviour of the Young Generation in Industrial Societies
Edited by Irmgard Bontinck. A Survey of Youth Activities in 18 Countries. Vienna (Universal Edition No.26246) 1974. (Out of print)
Edited by Irmgard Bontinck. A Survey of Youth Activities in 18 Countries. Vienna (Universal Edition No.26246) 1974. (Out of print)
Edited by Kurt Blaukopf und Desmond Mark. A study prepared for UNESCO. Vienna (Universal Edition 26247) 1976. (Out of print)