? [International Institute for Music, Dance and Theatre in the Audio-visual MediaのDirector,ProfessorのKurt Blaukopf から Mr.Ryuichi Nobori 宛書簡] Subject: Working seminar on "The cultural behaviour of the youth" International Institute for Music, Dance and Theatre in the Audio-visual Media Vienna, February 4, 1974 [メモ「要回答」] ? [仕事内容概要] The cultural behaviour of the youth ?Draft programme (Sunday, September 22, 1974 - Saturday, September 28, 1974）