Diamond project: Video-on-demand system, and trials. - Peter G. Van De Haar; Arno Schoenmakers; Edward S. Eilley; Douglas N. Tedd; Stephen A. Tickell; Phil R. Lloyd; Mark Badham; Steve O'Brien; Robin Poole; Paul Sampson; Jon Harding; Timo Simula; et al. (Eur. Trans. Telecommun., 1997)