1972. Exhibition Catalogue. Page 33/47. Atelier '72 (contemporary Polish art). Roman Opalka.

20 August -9 September 1972. Exhibition catalogue. Page 33 of 47. Atelier '72 (contemporary Polish art) presented by the RDG at 8 Melville Crescent, Edinburgh, in collaboration with the Lodz Museum of Art (Poland), for the Edinburgh International Festival. Roman Opalka.