texts by Flavia Frigeri...[et al.] texts by Flavia Frigeri...[et al. texts by Carl Aigner ... [et al. texts by Colin Amery...[et al. texts by Karin Hoff ... [et al.] texts by Margrit Brehm...[et al.] texts by Octavio Paz ... [et al.] texts by Rob Sinder...[et al.] texts by Valerio Olgiati...[et al.] texts by Francesca Archibugi...[et al.]