Management Plan 2019(PDF) (Report). Office for Infrastructure and Logistics in Luxembourg, European Commission. 19 December 2018. Ares(2018)6565888. Վերցված է 28 January 2020-ին.
Management Plan 2019(PDF) (Report). Office for Infrastructure and Logistics in Luxembourg, European Commission. 19 December 2018. Ares(2018)6565888. Վերցված է 28 January 2020-ին.