jo baer
Paintings 1960 - 1970
Aspen Magazine no. 8: The Fluxus issue
1970-1971

Art & Vision: Mach Bands by Jo Baer. Read the entire essay here: http://www.ubu.com/aspen/aspen8/machBands.html 
This essay was part of Aspen no. 8: The Fluxus Issue. Edited by Dan Graham, designed by George Maciunas. Published Fall-Winter [1970-71] by Aspen Communications Inc., NYC. Cover painting by Jo Baer.