Lo Iacono, Sergio and Testori, Martina ORCID: 0000-0001-7292-7129 (2021) Who are we trusting? A category-based formalisation of trust. In: Barradas de Freitas, Raquel and Lo Iacono, Sergio, (eds.) Trust Matters: Cross-Disciplinary Essays. HART Publishing - Bloomsbury Publishing, Pxford; New York; Dublin, pp. 35-54. ISBN 978-1509935253; 978-1509955060; 1509955062; 978-1509935277; 1509935274