Liu, Alex X.; Shahzad, Muhammad; Xiulong Liu, ; Keqiu Li, : 'RFID detection—missing tags' (Control, Robotics and Sensors, 2017), 'RFID Protocol Design, Optimization, and Security for the Internet of Things', Chap. 5, pp. 123-153, DOI: 10.1049/PBCE112E_ch5
IET Digital Library, https://digital-library.theiet.org/;jsessionid=xh6e3wc7r1wg.x-iet-live-01content/books/10.1049/pbce112e_ch5