Birkhoff, J. W., & McCullough, B. F. (1979). Detection of voids underneath continuously reinforced concrete pavements. Center for Highway Research, University of Texas at Austin.
Chicago Style (17th ed.) CitationBirkhoff, John W., and B. Frank McCullough. Detection of Voids Underneath Continuously Reinforced Concrete Pavements. Austin: Center for Highway Research, University of Texas at Austin, 1979.
MLA (9th ed.) CitationBirkhoff, John W., and B. Frank McCullough. Detection of Voids Underneath Continuously Reinforced Concrete Pavements. Center for Highway Research, University of Texas at Austin, 1979.
Warning: These citations may not always be 100% accurate.