Johnson, K. (1989). Permutations in Steel: Walter de Maria plays off spare physical presence against intimations of infinity. Art in America.
Lua i Stíl Chicago (17ú heag.)Johnson, Ken. "Permutations in Steel: Walter De Maria Plays off Spare Physical Presence Against Intimations of Infinity." Art in America 1989.
Lua MLA (8ú heag.)Johnson, Ken. "Permutations in Steel: Walter De Maria Plays off Spare Physical Presence Against Intimations of Infinity." Art in America, 1989.
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