Hong, S.S.B. and Ibrahim, R. and Md Khir, M.H. and Zakariya, M.A. and Daud, H.  (2012) RF energy harvester: Harvesting power from WiFi signals for low power RFID application.  Sensors and Transducers, 17 (SPL 12).  pp. 168-175.  ISSN 17265479