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Dyfyniad Arddull ChicagoNational Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, and National Research Council (U.S.). Committee on Compaction. Compaction and Stabilization: 7 Reports Prepared for the 51st Annual Meeting. Washington, D.C: Highway Research Board, 1972.
Dyfyniad MLANational Research Council (U.S.). Highway Research Board, et al. Compaction and Stabilization: 7 Reports Prepared for the 51st Annual Meeting. Highway Research Board, 1972.