Proceedings / por: Telephassa seminar on Information, communication and networking : how to make full use of available information resources (3 : 3-4 jun. 1992 : Barcelona, Spain) Publicado: (1993)
Proceedings / por: Telephassa seminar on innovative information services and information handling (1 : 10-12 jun. 1990 : Tilburg) Publicado: (1992)