Steve Scheding Graham M. Brooker Mark Bishop Ross Hennessy Andrew Maclean Terrain imaging millimetre wave radar. 13-18 2002 ICARCV http://dx.doi.org/10.1109/ICARCV.2002.1234782 conf/icarcv/2002 db/conf/icarcv/icarcv2002.html#SchedingBBHM02