ASSEMBLAGES, ENVIRONMENTS & HAPPENINGS. With a Selection of Scenarios by 9 Japanese of the Gutai Group, Jean-Jacques Lebel, Wolf Vostell, George Brecht, Kenneth Dewey, Milan Knizak et Allan Kaprow New York, Harry N. Abrams, (1966), couverture souple, 24 X 24 cm., 341 p., illstrations (15039 E)