A 14-bit 80-kHz sigma-delta A/D converter: modeling, design and performance evaluation. - Steven R. Norsworthy; Irving G. Post; H. Scott Fetterman (IEEE J. Solid State Circuits, 1989)

A 2.7-4.5 V single chip GSM transceiver RF integrated circuit. - Trudy D. Stetzler; Irving G. Post; Joseph H. Havens; Mikio Koyama (IEEE J. Solid State Circuits, 1995)