1. Passive and Active Network;Budak,1974
2. Theory and Design of Active Filters;Hueslman,1980
3. Active compensation for high-frequency effects in opamp. circuits;Brackett;IEEE Trans. Circuits Syst.,1976
4. Zero pole sensitivity active filters;Diniz;Int. J. Electron.,1982
5. On the active compensation of operational based V.C.V.S.;Huertas;IEEE Trans. Circuits and Syst.,1982