Exhibition catalogue published in conjunction with show held at the Österreische Galerie Belvedere, Vienna, February 25 - May 6, 1997. Preface by Gerbert Frodl, and essays by Ruth Händler, Burkhart Schmidt, Petra Schröck, and Jan Ernst Adlmann. Includes collected statements by Kogelnik, chronology, exhibition history, and bibliography. Text in German and English.