1. Bartosch A (1999) EC Telecommunications Law: what aid does Article 90(2) of the EC Treaty offer to the former monopolists. Computer and Telecommunications Law Review 5(1):12–15
2. Bauer JM (1999) Universal service in the European Union. Government Information Quarterly 16(4):329–343
3. Bauer JM (2010) Changing roles of the state in telecommunications. International Telecommunications Policy Review 17(1):1–36
4. Blackman CR (1995) Universal service: obligation or opportunity? Telecommunications Policy 19(3):171–176
5. Buendia Sierra JL (2000) Exclusive rights and state monopolies under EC Law: Article 86 (former Article 90) of the EC Treaty. Oxford University Press, Oxford