1. Åhman T (2009) The Treaty of Lisbon and Civil Protection in the European Union. Swedish Defence Research Agency
2. Ahner N, Glachant JM (2012) The Building of Energy Solidarity in the EU. In: Glachant JM et al (eds) A New Architecture for EU Gas Security of Supply. Claeys & Casteels, Brussels, pp 123–154
3. Alemanno A, Chamon M (2020) To Save the Rule of Law you Must Apparently Break It. https://verfassungsblog.de/to-save-the-rule-of-law-you-must-apparently-break-it/. Accessed 30 August 2021
4. Alì A (2014) Art. 222. In: Pocar F, Baruffi M (eds) Commentario breve ai Trattati dell’Unione europea. CEDAM, Padova, pp 1214–1217
5. Anrò I (2017) Le procedure decisionali d’urgenza dell’Unione europea in tempi di crisi. https://rivista.eurojus.it/le-procedure-decisionali-durgenza-dellunione-europea-in-tempi-di-crisi/. Accessed 30 August 2021