1. Forde, M. C. and McCavitt, N. Impulse radar testing of structures. Proc. Inst. Civ. Engrs Struct. Bldg. 1993, 96–99.
2. Olhoeft, G. R. Processing, modelling and presentation of ground penetrating radar data. In Proc. 2nd Government Workshop GPR—Advanced Ground Penetrating Radar: Technologies and Applications, p. 23. Ohio, 1993
3. Colla, C., Forde, M. C., McCann, D. M. and Das, P. C. Laboratory modelling of radar propagation through masonry. In Proc. IV Int. Conf. Non-Destructive Testing in Civil Engineering (NDT-CE '97), vol. 1, pp. 303–316. Liverpool, UK, 1997.
4. A theoretical evaluation of impulse radar wave propagation through concrete;Padaratz;J. Non-destr. Test. Eval.,1995
5. Padaratz, I. J. and Forde, M. C. Influence of antenna frequency on impulse radar surveys of concrete structures. In Proc. Int. Conf. Structural Faults and Repair—95, vol. 2, Engineering Technics Press, London, 1995, pp. 331–336