texts by Karin Hoff ... [et al.] texts by Hans Belting ... [et al.] text by Carsten land...[et.al.] texts by Margrit Brehm...[et al.] texts by Rob Sinder...[et al.] texts by Valerio Olgiati...[et al.] texts by Carl Aigner ... [et al. texts by Christian Holl...[et al.] texts by Jeffrey Head...[et al. texts by Karin Hoff ... [et al.