This author has not been identified. Look up 'Giovanna Roda' in GoogleThis author has not been identified. Look up 'Veronika Zenz' in GoogleThis author has not been identified. Look up 'Mihai Lupu' in GoogleThis author has not been identified. Look up 'Kalervo Järvelin' in GoogleThis author has not been identified. Look up 'Mark Sanderson' in GoogleThis author has not been identified. Look up 'Christa Womser-Hacker' in Google