Study on Threshold Patterns with Varying Illumination Using 1.3m Imaging System. - Vinesh Sukumar; Herbert L. Hess; Ken V. Noren; Greg Donohoe; Suat U. Ay (Intell. Inf. Manag., 2010)

Operational amplifier design with gain-enhancement differential amplifier. - Phuoc T. Tran; Herbert L. Hess; Kenneth V. Noren (IECON, 2012)

Gain-enhancement differential amplifier using positive feedback. - Phuoc T. Tran; Herbert L. Hess; Kenneth V. Noren; Suat U. Ay (MWSCAS, 2012)