The following publications are possibly variants of this publication:
- History and Progress of the Tow-thomas Bi-Quadratic Filter Part I: Generation and op Amp RealizationsAhmed M. Soliman. jcsc, 17(1):33-54, 2008. [doi]
- History and Progress of the Tow-thomas biquadratic Filter Part II: Otra, CCII, and Dvcc RealizationsAhmed M. Soliman. jcsc, 17(5):797-826, 2008. [doi]
- History and Progress of the Kerwin-huelsman-newcomb Filter Generation and op Amp RealizationsAhmed M. Soliman. jcsc, 17(4):637-658, 2008. [doi]
- Generation of current mode filters using NAM expansionAhmed M. Soliman. ijcta, 39(11):1087-1103, 2011. [doi]
- Voltage mode and current mode Tow Thomas bi-quadratic filters using inverting CCIIAhmed M. Soliman. ijcta, 35(4):463-467, 2007. [doi]
- Two Integrator Loop Filters: Generation Using NAM Expansion and ReviewAhmed M. Soliman. jece, 2010, 2010. [doi]