European Court of Human Rights (ECtHR) in Engel and Others v Netherlands App nos 5100/71, 5101/71, 5102/71, 5354/72 and 5370/72 (ECtHR, 8 June 1976).
MJJP Luchtman et al, Investigatory Powers and Procedural Safeguards: Improving OLAF’s legislative framework through a comparison with other EU law enforcement authorities (ECN/ESMA/ECB) (Utrecht University 2017)
M Simonato, M Luchtman and J Vervaele (eds), Exchange of Information with EU and National Enforcement Authorities: Improving OLAF legislative framework through a comparison with other EU authorities (ECN/ESMA/ECB) (Utrecht University 2018)
F Giuffrida and K Ligeti (eds), Admissibility of OLAF Final Reports as Evidence in Criminal Proceedings (Luxembourg University 2019).
