The Effect of the Forcing Function on Disruption of a phase-Locked Loop (PLL). - S. M. Booker; P. D. Smith; Paul V. Brennan; Richard J. Bullock (Int. J. Bifurc. Chaos, 2000)

An RF-ID Receiver Using SAW Filters For Wideband Synchronisation. - Thomas M. McCoy; Paul V. Brennan; Richard J. Bullock (ICECS, 2006)

An RF-ID Reader Using SAW Dispersive Delay Lines For Wideband Synchronisation. - Thomas M. McCoy; Paul V. Brennan; Richard J. Bullock (J. Commun., 2008)