VII Biennale de Paris Bois de Vincennes, Paris 24.09 - 01.11.1971 © Pieter Boersma
	Maciunas Ensemble from left to right: Jos Dassen, Remko Scha, Paul Panhuysen	Maciunas Ensemble from left to right: Hans Schuurman, Jan van Riet	Buro Informart from left to right: Hélène Panhuysen, Ewoud Smits, Gerrit van Bakel, Janine Porcelijn, Paul Panhuysen, Jos Dassen, Remko Scha, Ton Burgemeester