Bhaskara Rao, B., and B. Prabhakara Rao. “Performance Analysis of Two Stage Adaptive FIR Filter Algorithms for PLI and BW Artifact Cancellation in ECG”. International Journal of Engineering & Technology, vol. 7, no. 1.8, Feb. 2018, pp. 123-9, https://doi.org/10.14419/ijet.v7i1.8.10082.