This work is reproduced in the exhibition catalogue "Concrete, Experimental Visual" (1989). One collage (Solar VI) is framed and hung. Solar III is also reproduced in Mendes de Sousa, Carlos & Ribeiro, Eunice Editors: Antologia da Poesia Experimental Portuguesa: Anos 60 - Anos 80, 2004, a book held by the Sackner Archive. The Sackners lent these collages to the exhibition 'Poesure et Peintrie' (1991) in Marseile. -- Source of annotation: Marvin or Ruth Sackner.