Rezaei, Farzan: 'Adaptive cancellation linearisation and its application to wide-tunable Gm-C filter design', IET Circuits, Devices & Systems, 2017, 11, (5), p. 478-486, DOI: 10.1049/iet-cds.2016.0474 IET Digital Library, https://digital-library.theiet.org/;jsessionid=b6s6tlka4rhkk.x-iet-live-01content/journals/10.1049/iet-cds.2016.0474