00252nam a22000977a 4500020001800000082001900018100004200037245002400079250000800103260004300111  a9788183710640  a621.3822 BAB/S  aP. Ramesh Babu and R. Anandanatarajan  aSignals and Systems  a3rd  bSciTech Publications (India) Pvt. Ltd.