Circuits Systems and Signal Processing (2020) - Comments
doi: 10.1007/s00034-020-01447-1  issn: 0278-081x  issn: 1531-5878  doi: 10.34041/ln.v25.713  issn: 2001-7286  issn: 1100-2573 

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Tim Chen, J. C.-Y. Cheng