1. Road evaluation with ground penetrating radar;Saarenketo;J Appl Geophys,2000
2. Annan AP. GPR for infrastructure imaging. International symposium non-destructive testing in civil engineering, Berlin; September 2003.
3. Sub-surface radar testing of concrete: a review;Bungey;Construct Build Mater,2004
4. Condition assessment of reinforced concrete structures using electromagnetic waves;Halabe;ACI Mater J,1995
5. Influence of concrete moisture upon radar waveform;Laurens;RILEM Mater Struct,2002