Council of the European Union: State of play of COSI project group implementing one of the "29 measures for reinforcing the protection of the external borders and combating illegal immigration": "Measure 4". FINAL REPORT (15906/1/12,
Council of the European Union: State of play of COSI project group implementing one of the “29 measures for reinforcing the protection of the external borders and combating illegal immigration”: “Measure 4”. FINAL REPORT (15906/1/12, pdf)