History and Progress of the Tow-thomas biquadratic Filter Part II: Otra, CCII, and Dvcc Realizations.

Ahmed M. Soliman History and Progress of the Tow-thomas biquadratic Filter Part II: Otra, CCII, and Dvcc Realizations. 797-826 2008 17 Journal of Circuits, Systems, and Computers 5 http://dx.doi.org/10.1142/S0218126608004691 db/journals/jcsc/jcsc17.html#Soliman08b