European Commission. (1996). ECSC high authority: decision no 25-67 of 22 June 1967 laying down in implementation of article 66 (3) of the treaty a regulation concerning exemption from prior authorisation: 11 languages. Luxembourg: Office fo Official Publications of the European Communities.

European Commission. ECSC High Authority: Decision No 25-67 of 22 June 1967 Laying Down in Implementation of Article 66 (3) of the Treaty a Regulation Concerning Exemption From Prior Authorisation: 11 Languages. Luxembourg: Office fo Official Publications of the European Communities, 1996.

European Commission. ECSC High Authority: Decision No 25-67 of 22 June 1967 Laying Down in Implementation of Article 66 (3) of the Treaty a Regulation Concerning Exemption From Prior Authorisation: 11 Languages. Luxembourg: Office fo Official Publications of the European Communities, 1996.