Bill, M. (1996). Concrete Art (1936-49). Theories and documents of contemporary art : A Sourcebook of Artists' Writings.
Chicago-referens (17:e uppl.)Bill, Max. "Concrete Art (1936-49)." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings 1996.
MLA-referens (8:e uppl.)Bill, Max. "Concrete Art (1936-49)." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings, 1996.
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