Fluxus 1969: Willem de RIDDER related: FANTASIO program; RARE !!
Fantasio, Amsterdam. 'Fantasio Kosmies Ontspanningssentrum' was a short-lived project in 1968-1969 organized by Willem de Ridder;. Willem de RIDDER (1939-2022). - Ruhé & Dekeukeleire, 2017:The adventures of Willem de Ridder.