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Books about Swennen:
Swennen R: lithogeochemistry of dinantian carbonates in the vesdre basin and its relations to paleogeography,... by N/A (1986)
Walter Swennen: Aliceday Gallery.: An article from: Artforum International by Yoann Van Parys (Apr 1, 2009)
W Swennen by Hans Theys (1995)
Walter Swennen - So Far So Good (Oct 1, 2013)
W. Swennen by W. Art - Swennen (1994)