Brass, E., Ulrich Hilleringmann, and K. Schumacher. “System Integration of Optical Devices and Analog CMOS Amplifiers.”https://doi.org/10.1109/4.297714__IEEE Journal of Solid-State Circuits 29, no. 8 (2002): 1006–10.https://doi.org/10.1109/4.297714 .

Brass, E., Ulrich Hilleringmann, and K. Schumacher. “System Integration of Optical Devices and Analog CMOS Amplifiers.”https://doi.org/10.1109/4.297714__IEEE Journal of Solid-State Circuits 29, no. 8 (2002): 1006–10.https://doi.org/10.1109/4.297714 .