Son, Le Thanh; Orten, Po (2007-03-15). "Enhancing Accuracy Performance of Bluetooth Positioning". 2007 IEEE Wireless Communications and Networking Conference. Ieeexplore.ieee.org. pp. 2726–2731. doi:10.1109/WCNC.2007.506. ISBN978-1-4244-0658-6. S2CID12464772.
Youssef, M.A.; Agrawala, A.; Udaya Shankar, A. (2003-03-26). "WLAN location determination via clustering and probability distributions". Proceedings of the First IEEE International Conference on Pervasive Computing and Communications, 2003. (Per Com 2003). Ieeexplore.ieee.org. pp. 143–150. doi:10.1109/PERCOM.2003.1192736. ISBN978-0-7695-1893-0. S2CID2096671.
Son, Le Thanh; Orten, Po (2007-03-15). "Enhancing Accuracy Performance of Bluetooth Positioning". 2007 IEEE Wireless Communications and Networking Conference. Ieeexplore.ieee.org. pp. 2726–2731. doi:10.1109/WCNC.2007.506. ISBN978-1-4244-0658-6. S2CID12464772.
Youssef, M.A.; Agrawala, A.; Udaya Shankar, A. (2003-03-26). "WLAN location determination via clustering and probability distributions". Proceedings of the First IEEE International Conference on Pervasive Computing and Communications, 2003. (Per Com 2003). Ieeexplore.ieee.org. pp. 143–150. doi:10.1109/PERCOM.2003.1192736. ISBN978-0-7695-1893-0. S2CID2096671.