1. Portland cement concrete pavement: measuring rebar cover depth in rigid pavement with ground penetrating radar;Al-Qadi,2006
2. LRFD Bridge Design Specifications;American Association of State Highways and Transportation Officials (AASHTO),2010
3. Ground penetrating radar;Daniels,2004
4. Complimentary condition assessment of bridge decks by high frequency ground penetrating radar and impact echo;Gacunski,2009
5. RADAN7 user's guide;Geophysical Survey System, Incorporated (GSSI),2001