1. Allegrezza S (2010) Critical remarks on the green paper on obtaining evidence in criminal matters from one member state to another and securing its admissibility. Zeitschrift für Internationale Strafrechtsdogmatik 5:569–579
2. Allegrezza S (2013) Verso una Procura Europea per tutelare gli interessi finanziari dell’Unione. https://www.penalecontemporaneo.it/upload/1383120442ALLEGREZZA%202013.pdf . Accessed 8 Mar 2018
3. Allegrezza S et al (2016) L’acquisizione della prova all’estero e i profili transnazionali. In: Canzio G et al (eds) Diritto penale delle società. Cedam, Milano, pp 157–195
4. Bachmaier Winter L (2010) European investigation order for obtaining evidence in the criminal proceedings. Study of the proposal for a European directive. Zeitschrift für Internationale Strafrechtsdogmatik 9:580–589
5. Bachmaier Winter L (2013) Transnational criminal proceedings, witness evidence and confrontation: lessons from the ECtHR’s case law. Utrecht Law Rev 9:127–146