Konferenzbeitrag
Detlev Witt, Free Trade in Telecommunications Services under the GATT, in:
Giogio Sacerdoti (Hrsg.), Liberalization of services and intellectual property in the Uruguay Round of GATT: Proceedings of the Conference on "The Uruguay Round of GATT and the Improvement of the Legal Framework of Trade in Services", University Press, Fribourg 1990, 133–153.