Robert Smithson : A Retrospective view - Wilhelm-Lehmbruck-Museum, Duisburg; Hobbs, Robert; Biennale Venice 1982 (Ithaca : Herbert F. Johnson Museum of Art Cornell University, 1982)
V.1: Robert Smithson : A Retrospective view, 40th Venice Biennale 1982
V.2: Robert Smithson : A Retrospective view, Wilhelm Lehmbruck Museum, Duisburg
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Keywords: Smithson, Robert