Multibit oversampled Sigma Delta A/D converters as front end for CD players. - Peter J. A. Naus; Eise Carel Dijkmans (IEEE J. Solid State Circuits, 1991)

A bit-stream digital-to-analog converter with 18-b resolution. - Ben M. J. Kup; Eke Carel Dijkmans; Peter J. A. Naus; Jack G. Sneep (IEEE J. Solid State Circuits, 1991)