Butt, Abdul Haleem; Moschetti, Alessandra; Fiorini, Laura; Dario, Paolo; Cavallo, Filippo: 'Wearable sensors for gesture analysis in smart healthcare applications' (Healthcare Technologies, 2017), 'Human Monitoring, Smart Health and Assisted Living: Techniques and technologies', Chap. 4, pp. 79-102, DOI: 10.1049/PBHE009E_ch4 IET Digital Library, https://digital-library.theiet.org/;jsessionid=2oarjlehwd7l7.x-iet-live-01content/books/10.1049/pbhe009e_ch4