Potortì, Francesco; Cassarà, Pietro; Barsocchi, Paolo: 'Device-free indoor localisation with small numbers of anchors', IET Wireless Sensor Systems, 2018, 8, (4), p. 152-161, DOI: 10.1049/iet-wss.2017.0153
IET Digital Library, https://digital-library.theiet.org/;jsessionid=yodhnk6svsp8.x-iet-live-01content/journals/10.1049/iet-wss.2017.0153