texts by Margrit Brehm...[et al.] texts by Margrit Brehm...[et al. texts by Karin Hoff ... [et al.] texts by Carmen Perrin...[et al.] texts by Karin Hoff ... [et al. texts by Carl Aigner ... [et al. texts by Carmen Perrin...[et al. texts by Colin Amery...[et al. texts by Flavia Frigeri...[et al.] texts by Jeffrey Head...[et al.