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Sotner, R.; Herencsar, N.; Jerabek, J.; Prokop, R.; Kartci, A.; Dostal, T.; Vrba, K. Z-Copy Controlled-Gain Voltage Differencing Current Conveyor: Advanced Possibilities in Direct Electronic Control of First-Order Filter. ELEKTRON ELEKTROTECH 2014, 20 (6), 77-83. https://doi.org/10.5755/j01.eee.20.6.7272.