Locating voids beneath pavement using pulsed electromagnetic waves - Steinway, W. J. (William J.); Echard, J. D. (Jim D.).; Luke, C. M. (Charles M.).; American Association of State Highway and Transportation Officials; National Research Council (U.S.). Transportation Research Board (Washington, D.C. Transportation Research Board, National Research Council, 1981)
"November 1981."
Keywords: Pavements, Concrete -- Testing; Electromagnetic waves; Pavements, Concrete -- Maintenance and repair