Artwork Images:
Provenance:
Museo Guggenheim Bilbao. “Soto. The Fourth dimension”. Catalogue published on the
occasion of the exhibition with the same title. 18 Oct 2019 – 9 Feb 2020. Illustrated in
color, page 140-141.
“Soto” Ministerio de Cultura / Dirección General de Bellas Artes, Archivos y Biblotecas,
Soto. Madrid, 1982, pag 69, 129
