texts by Maurizio Battello ... [et al]. texts by Maurizio Battello ... [et al texts by Fabrizio Ballabio...[et al. texts by Lauri Firstenberg ... [et al. texts by Siri Hustved t ... [et al.]. texts by Carl Aigner ... [et al. texts by Karin Hoff ... [et al. texts by Karin Hoff ... [et al.] texts by Lauri Firstenberg ... [et al.] ; texts by Octavio Paz ... [et al.