Sousa, Inês Pereira de2022-05-062022-05-062021-01-312184-0334http://hdl.handle.net/10400.14/37452engErmioni Xanthopoulou. Fundamental rights and mutual trust in the area of freedom, security and justice – a role for proportionality? Oxford: Hart Publishing, 2020. ISBN: 978-1-5099-2225-3review10.34632/catolicalawreview.2021.9745