WASET
    Dalibor Biolek and  Viera Biolková and  Zden─øk Kolka,  Universal Current-Mode OTA-C KHN Biquad.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2007, vol. 7(7). 1009 - 1012
    [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/4223.