Catalogues, Monographic, Recensa by Editor03/07/201913:5218/04/2020 Defining the Infinite | Ulrich Erben Exihibition Catalogue Josef Albers Museum (Quadrat), Bottrop. Year: 2019 Texts: Publisher: Buchhandlung Walther König 108pp. | 23x20cm. ISBN: 9783960986317