"Quote of Miró on a visit of Calder who brought with him the small mechanical circus made from wire: a letter by Miro, 17 March 1964 / Correspondence 61; as cited in Calder Miró, ed. Elizabeth Hutton Turner / Oliver Wick; Philip Wilson Publishers, London 2004, p. 33"
January 1, 1970
https://en.wikiquote.org/wiki/Joan_Mir%C3%B3