1. New Developments in IC Voltage Regulators;Widlar;IEEE Journal of Solid State Circuits,1971
2. A Simple Three-Terminal IC Bandgap Voltage Reference;Brokaw;IEEE Journal of Solid State Circuits,1974
3. More About the AD580 Monolithic IC Voltage Regulator;Brokaw;Analog Dialogue,1975
4. Analog-Digital Conversion Handbook (Section 20.2);Sheingold,1986
5. Build an Ultra-Low-Noise Voltage Reference;Jung;Electronic Design Analog Applications Issue,1993