Quiroga Puertas, Alberto: The Dynamics of Rhetorical Performances in Late Antiquity. London · New York: Routledge, 2019, IX+171 pp. [ISBN: 978-1-4724-7459-9 (hbk)/ [ISBN: 978-1-315-61577-6 (ebk)] - Rodríguez Gervás, Manuel (Studia Historica. Historia Antigua, 2020)