1. Graeme, J.G., Tobey, G.E., and Huelsman, L.P.: Operational amplifiers design and application, (McGraw-Hill 1971), p. 245
2. Roberge, J.K.: Operational amplifiers: theory and practice, (Wiley 1975),Chap. 11, p. 458–460
3. Meisksin, Z.H., and Thackray, P.C.: Electronic design with off-the-shelf integrated circuits, (Parker 1980),Chap. 6, p. 209–216
4. Gray, P.R., and Meyer, R.G.: Analysis and design of analog integrated circuits, 2nd edn.(Wiley 1984),Chap. 10, p. 584–590