A cascadable adaptive FIR filter VLSI IC. - David E. Borth; Ira A. Gerson; John R. Haug (ICASSP, 1987)

A flexible adaptive FIR filter VLSI IC. - David E. Borth; Ira A. Gerson; John R. Haug; Charles D. Thompson (IEEE J. Sel. Areas Commun., 1988)

A 16-b 160-kHz CMOS A/D converter using sigma-delta modulation. - Mike Rebeschini; Nicholas R. van Bavel; Patrick Rakers; Robert Greene; James Caldwell; John R. Haug (IEEE J. Solid State Circuits, 1990)