mauriziocattelan.altervista.org
www.mariangoodman.com/artists/lawrence-weiner/
www.mariangoodman.com/artists/giuseppe-penone/
www.mariangoodman.com/artists/maria-nordman/
www.gagosian.com/artists/richard-serra/
www.pulheim.de
www.vfg-pulheim.de
www.rheinschiene-aktuell.de
