http://library.fes.de/pdf-files/bueros/suedafrika/02828.pdf
http://www.ema.europa.eu/docs/en_GB/document_library/Press_release/2017/10/WC500236021.pdf
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-ongoing-police-and-judicial-cooperation-criminal-matters_en