1. Aurand, J.F., 1997. Sandia National Lab, Personal Communication.
2. Cantor, T.R., Kneeter, C.P., 1982. Radar as Applied to the Evaluation of Bridge Decks, Transportation Research Board Record No. 853, January 1982.
3. Maser, K.R., 1989. New Technology for Bridge Deck Assessment, New England Transportation Consortium Phase I Final Report, Center for Transportation Studies, MIT.
4. Maser, K.R., 1990. New Technology for Bridge Deck Assessment. New England Transportation Consortium Phase II Final Report, Center for Transportation Studies, MIT.
5. Ondrejka, A.R., Ladbury, J.M., Medley, H.W., 1995. TEM Horn Antenna Design Guide. NIST Technical Report, Boulder, CO.