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Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, agus National Research Council (U.S.). Committee on Mineral Aggregates. Nuclear Applications, Pipe Corrosion, and Aggregate and Glass Bead Testing: 7 Reports Prepared for the 51st Annual Meeting. Washington: Highway Research Board, 1972.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board, et al. Nuclear Applications, Pipe Corrosion, and Aggregate and Glass Bead Testing: 7 Reports Prepared for the 51st Annual Meeting. Highway Research Board, 1972.