In between : the art project of Expo 2000. / - Butzer, André; Dickhoff, Wilfried; Groos, Ulrike; Höller, Carsten; König, Kasper; Liebs, Holger; Oehlen, Albert; Signer, Roman; Trockel, Rosemarie; Waldvogel, Florian; West, Franz; van Warmerdam, Marijke (DuMont Verlag, 2000)