First-order allpass sections-based high-input low output impedance voltage-mode universal filter using FDCCIIs. - Fethi Gür; Fuat Anday (ECCTD, 2007)

Current Differencing Buffered Amplifier-Based PID Controller Design. - Fethi Gür; Fuat Anday (J. Circuits Syst. Comput., 2021)