Ornament and landscape : on the nature of artifice [Ann Agee, Helen Berggruen, Robert Berlind, Richmond Burton, Vija Celmins, Peter Hristoff, Neil Jenney, Ellen K. Levy, Georgia Marsh, Doug Martin, Ann Messner, Alison Moritsugu, Michael Norton, Jules Olitski, Harriet Shorr, John Torreano]